You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
(2R,3S)-2-[[[2-[(2S)-1-benzylpyrrolidine-2-carbonyl]phenyl]-phenylmethylidene]amino]-5-oxo-5-[(4R)-2-oxo-4-phenyl-1,3-oxazolidin-3-yl]-3-phenylpentanoic acid is the IUPAC name of a molecule. Please give its molecular formula.
user
C45H41N3O6
assistant