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 3-[3-[benzyl-[2-(3,4-dimethoxyphenyl)ethyl]amino]propyl]-7,8-diethoxy-1H-3-benzazepin-2-one .
user
C34H42N2O5
assistant