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 2-(5,6-dimethyl-1-benzofuran-3-yl)-N-[4-methoxy-3-(2-oxopyrrolidin-1-yl)phenyl]acetamide .
user
C23H24N2O4
assistant