You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
N-cyclopropyl-N-[(4-methoxyphenyl)methyl]-2-[3-(2-oxopyrrolidin-1-yl)phenoxy]acetamide The above is the IUPAC name of a molecule. Write its molecular formula.
user
C23H26N2O4
assistant