batch – (net was unexpected at this time

I am trying to write batch file to map drive when needed but whenever i run it i get an error
” (net was unexpected at this time “

@echo off
SET /P Site=Which site you want to map please type SITE CODE? 
IF %Site% == BPT ( SET /P Drive= C B G?
        IF  %Driv% == C (net use * \test1common)
        IF  %Driv% == G (net use * \test1global)
        IF %Drive% == B (net use * \test1common && net use * \test1global))