You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
[(1R)-2-[(2S)-2-[5-[4-[4-[2-[(2S)-1-[2-(3-chlorophenyl)-2-(dimethylamino)acetyl]pyrrolidin-2-yl]-1H-imidazol-5-yl]phenyl]phenyl]-1H-imidazol-2-yl]pyrrolidin-1-yl]-2-oxo-1-phenylethyl]carbamic acid is the IUPAC name of a molecule. Please give its molecular formula.
user
C45H45ClN8O4
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