You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Provide the molecular formula for the IUPAC named substance N-[(2R)-1-oxo-1-pyrrolidin-1-ylpropan-2-yl]-N-[3-(trifluoromethyl)phenyl]methanesulfonamide .
user
C15H19F3N2O3S
assistant