Your host definition should only specify an IP address for the 'address'. The URL is not an attribute of the host, but of the HTTP check your want to perform.
The Service definition specifies the check_command, which is in turn defined in the checkcommands.cfg file. This will specify exactly what command is to be run, possibly using additional parameters passed.
You will probably want to pass the port number as a parameter, and that you are to use HTTPS. How to do this will depend on your settings. For example, you could use this in your
omegle shagle voojio checkcommands.cfg: