You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
6-imidazol-1-yl-2-N-(2-methylsulfinylethyl)-4-N-propyl-1,3,5-triazine-2,4-diamine The above is the IUPAC name of a molecule. Write its molecular formula.
user
C12H19N7OS
assistant