You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
3-[2-(difluoromethylsulfanyl)-4-methyl-6-oxo-1H-pyrimidin-5-yl]-N-(2-oxo-1,3-dihydrobenzimidazol-5-yl)propanamide is the IUPAC name of a molecule. Please give its molecular formula.
user
C16H15F2N5O3S
assistant