You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
For the molecule named [(1R)-2-[(2S)-2-[4-[5-[2-[(2S)-1-[(2R)-2-(methoxycarbonylamino)-2-phenylacetyl]pyrrolidin-2-yl]-3H-benzimidazol-5-yl]-1,3-oxazol-2-yl]-1H-benzimidazol-2-yl]pyrrolidin-1-yl]-2-oxo-1-phenylethyl]carbamic acid by IUPAC nomenclature, provide its molecular formula.
user
C44H41N9O7
assistant