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-[2-[(2S)-2-cyano-4,4-difluoropyrrolidin-1-yl]-2-oxoethyl]-3-(trifluoromethyl)-1-[[4-(trifluoromethylsulfonylamino)phenyl]methyl]pyrazole-4-carboxamide .
user
C20H16F8N6O4S
assistant