error: println was not declared in this scope

#include<SoftwareSerial.h>

SoftwareSerial bluetooth(10,11);
int ledGRN = 4;
int ledBLU = 5;
int BluetoothData;

void setup()
{
bluetooth.begin(9600);
pinMode(ledGRN, OUTPUT);
}

void loop()
{
if(bluetooth.available())
{
BluetoothData=bluetooth.read();

if(BluetoothData==‘1’)
{
digitalWrite(ledGRN,1);
bluetooth,println(“LED IS ON”);

}
if(BluetoothData==‘0’)
{
digitalWrite(ledGRN,0);
bluetooth,println(“LED IS OFF”);

}
}
delay(100);

bluetooth,println. not ,

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