You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
propan-2-yl N-[4-[[5,5-dimethyl-1-oxido-2-oxo-3-[4-(trifluoromethylsulfonyl)phenyl]imidazolidin-1-ium-1-yl]methyl]pyridin-3-yl]carbamate is the IUPAC name of a molecule. Please give its molecular formula.
user
C22H25F3N4O6S
assistant