You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Name the molecular formula for the molecule established as 2-(2-methyl-N-methylsulfonyl-5-nitroanilino)-N-[2-(trifluoromethyl)phenyl]propanamide using the IUPAC nomenclature.
user
C18H18F3N3O5S
assistant