You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
N-[2-(3-chlorophenyl)-2-iminoethyl]-3-[3-[4-[(2-oxopyridin-1-yl)methyl]phenyl]propyl]cycloheptane-1-carboxamide is the IUPAC name of a molecule. Please give its molecular formula.
user
C31H36ClN3O2
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