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 (2S)-1-[(2-methoxyphenyl)methyl]-2-methyl-N-[(4-methylphenyl)methyl]-5-oxopyrrolidine-2-carboxamide .
user
C22H26N2O3
assistant