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 6-[2-[[3-[(2R)-2-methylpyrrolidin-1-yl]oxiran-2-yl]methylamino]ethylamino]pyridine-3-carbonitrile into molecular formula.
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C16H23N5O
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