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 1-[(2S)-2-(diethylamino)-2-phenylacetyl]-N-[4-[4-[[1-[(2S)-2-(diethylamino)-2-phenylacetyl]pyrrolidine-2-carbonyl]amino]phenyl]phenyl]pyrrolidine-2-carboxamide .
user
C46H56N6O4
assistant