CC3000 & Belkin Wemo - confusing reply from Wemo

Hi all!
I’m trying to control a Belkin Wemo with a CC3000 shield on an UNO.
I’ve gotten pretty far but at the moment the Belkin answers only gibberish. Any thoughts on that? Below is the code.

Thank you!!

Belkin’s reply:

HTTP/1.1 500 Internal Server Error
CONTENT-LENGTH: 407
CONTENT-TYPE: text/xml; charset=“utf-8”
DATE: Sun, 05 Jun 2016 20:44:47 GMT
EXT:
SERVER: Unspecified, UPnP/1.0, Unspecified
X-User-Agent: redsonic

And the code:

#define BLYNK_PRINT Serial    // Comment this out to disable prints and save space

// These are the interrupt and control pins for СС3000
#define ADAFRUIT_CC3000_IRQ   3
#define ADAFRUIT_CC3000_VBAT  5
#define ADAFRUIT_CC3000_CS    10

#include <SPI.h>
#include <Adafruit_CC3000.h>
#include <BlynkSimpleCC3000.h>
#include <ccspi.h>
#include <string.h>
#include "utility/debug.h"

// BLYNK.
char auth[] = "48816a31cab446e782f35139e1668482";

//WEMO
const char* host = "10.0.1.133";
const int port = 49153;
int wemo_status = 0;
String wemo_on="<s:Envelope xmlns:s=\"http://schemas.xmlsoap.org/soap/envelope/\" s:encodingStyle=\"http://schemas.xmlsoap.org/soap/encoding/\"><s:Body><u:SetBinaryState xmlns:u=\"urn:Belkin:service:basicevent:1\"><BinaryState>1</BinaryState></u:SetBinaryState></s:Body></s:Envelope>";
String wemo_off="<s:Envelope xmlns:s=\"http://schemas.xmlsoap.org/soap/envelope/\" s:encodingStyle=\"http://schemas.xmlsoap.org/soap/encoding/\"><s:Body><u:SetBinaryState xmlns:u=\"urn:Belkin:service:basicevent:1\"><BinaryState>0</BinaryState></u:SetBinaryState></s:Body></s:Envelope>";
uint32_t ip=cc3000.IP2U32(10,0,1,133);

void setup()
{
  Serial.begin(9600);
  Blynk.begin(auth, "KK", "PASSWORD", WLAN_SEC_WPA2);
  
 
}

void loop()
{
  Blynk.run();
  if (wemo_status == 0) {
    wemo_status = 1;
    Serial.println("Turning WeMo On...");
  }
  else {
    wemo_status = 0;
    Serial.println("Turning WeMo Off...");
  }
  Serial.println();
  wemo_control(wemo_status);
  delay(5000);
}

void wemo_control(int cmd) {
  Serial.print("Connecting to ");
  Serial.println(host);
  
  // Use WiFiClient class to create TCP connections
  if (!cc3000.connectTCP(ip, 49153)) {
    Serial.println("Connection failed");
    return;
  }
  Adafruit_CC3000_Client wemoc = cc3000.connectTCP(ip, 49153);
  // This will send the request to the server
  wemoc.println("POST /upnp/control/basicevent1 HTTP/1.1");
  wemoc.println("Host: " + String(host) + ":" + String(port));
  wemoc.println("User-Agent: ESP8266/1.0");
  wemoc.println("Connection: close");
  wemoc.println("Content-type: text/xml; charset=\"utf-8\"");
  wemoc.print("Content-Length: ");
  if (cmd == 1) {
    wemoc.println(wemo_on.length()); // both wemo_on and wemo_off are the same length, just in case it changes in the future
  }
  else {
     wemoc.println(wemo_off.length());
  }
  wemoc.println("SOAPACTION: \"urn:Belkin:service:basicevent:1#SetBinaryState\"");
  wemoc.println();
  if (cmd == 1) {
      wemoc.println(wemo_on); 
  }
  else {
      wemoc.println(wemo_off); 
  }
  delay(10);
  
  // Read all the lines of the reply from server and print them to Serial
  while(wemoc.available()){
    String line = wemoc.readStringUntil('\r');
    Serial.print(line);
  }
  
  Serial.println();
  Serial.println("Closing connection");
}