How to insert one " between two " " within a command line?

I have the line below to parse a USSD response coming from a modem. In the response there is a " character. As for the response I need to keep everything before the " (into ParsedBal) and dump the rest into char b.

The " that I use as a marker needs to be inserted into the line between two " “. What is the correct syntax? Three “”” obviously does not do the trick.

ParsedBal = strtok_r(Balance, ", &b);

You can escape it using a backslash: """