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 N-[(1-methylpyrrolidin-2-yl)methyl]-3-(2-pyrrolidin-1-ylpyridin-3-yl)oxypyrrolidine-1-carboxamide into molecular formula.
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C20H31N5O2
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