You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
methyl 4-[5-[[2-[3,5-bis(trifluoromethyl)phenyl]-2-methylpropanoyl]-methylamino]-4-(4-fluoro-2-methylphenyl)pyridin-2-yl]-5,5-dimethyl-2-oxopyrrolidine-3-carboxylate is the IUPAC name of a molecule. Please give its molecular formula.
user
C33H32F7N3O4
assistant