You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
4-[5-[(4-bromophenyl)methylsulfanyl]-4-(2-methoxyethyl)-1,2,4-triazol-3-yl]pyridine The above is the IUPAC name of a molecule. Write its molecular formula.
user
C17H17BrN4OS
assistant