You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Can you give the molecular formula of the molecule (2S)-N-[(2R)-butan-2-yl]-2-[3-(3,4-diethoxyphenyl)propanoyl-[(4-methylphenyl)methyl]amino]butanamide ?
user
C29H42N2O4
assistant