You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
For the molecule named methyl (3S,4R)-4-(3-bromo-4-methoxyphenyl)-5-cyano-2-oxo-6-[2-oxo-2-[[(2S)-oxolan-2-yl]methylamino]ethyl]sulfanyl-3,4-dihydro-1H-pyridine-3-carboxylate by IUPAC nomenclature, provide its molecular formula.
user
C22H24BrN3O6S
assistant