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-[3-chloro-4-(diethylcarbamoyl)phenyl]-1-(2,4-difluorophenyl)-5-oxopyrrolidine-3-carboxamide .
user
C22H22ClF2N3O3
assistant