You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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Convert the IUPAC name of a molecule 1-methyl-3-[3-[(2S)-2-[(N-methylanilino)methyl]pyrrolidin-1-yl]-3-oxopropyl]benzimidazol-2-one into molecular formula.
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C23H28N4O2
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