You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Please write the molecular formula of the molecule N-[(3S)-1-[(2,6-dimethylphenyl)methyl]-2-oxo-4,5-dihydro-3H-1-benzazepin-3-yl]-2-(methylamino)propanamide .
user
C23H29N3O2
assistant