You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
[4-cyano-1-[2-(dimethylamino)pyrrolidin-1-yl]-2-phenylpyrido[1,2-a]benzimidazol-3-yl]methyl benzoate The above is the IUPAC name of a molecule. Write its molecular formula.
user
C32H29N5O2
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