You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
6-(4-methylsulfanylphenyl)-N-(oxathian-3-ylmethyl)-3-(trifluoromethyl)pyrazin-2-amine The above is the IUPAC name of a molecule. Write its molecular formula.
user
C17H18F3N3OS2
assistant