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 (2R,3R,4S)-4-[[3,3-dimethyl-2-[(2-naphthalen-1-ylacetyl)amino]butyl]amino]-3-hydroxy-5-phenyl-2-[(3,4,5-trimethoxyphenyl)methylamino]pentanoic acid .
user
C39H49N3O7
assistant