You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Can you give the molecular formula of the molecule 1-[4-(difluoromethylsulfanyl)phenyl]-2-[1-(2-methoxyphenyl)-5-nitrobenzimidazol-2-yl]sulfanylethanone ?
user
C23H17F2N3O4S2
assistant