You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
3-(4-tert-butylphenyl)-N-[[4-(methanesulfonamido)-3-(trifluoromethyl)phenyl]methyl]propanamide is the IUPAC name of a molecule. Please give its molecular formula.
user
C22H27F3N2O3S
assistant