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-(3,4-dimethoxyphenyl)ethyl]-2-oxo-2-[1-(2-oxo-2-pyrrolidin-1-ylethyl)indol-3-yl]acetamide .
user
C26H29N3O5
assistant