You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
For the molecule named 4-[1-[4-ethenyl-5-[(Z)-prop-1-enyl]-1H-benzimidazol-2-yl]heptylamino]-4-oxobutanoic acid;N-phenylmethoxyformamide by IUPAC nomenclature, provide its molecular formula.
user
C31H40N4O5
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