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 [(7R)-7-(methoxymethyl)-1-methyl-6,7-dihydro-4H-pyrazolo[4,3-c]pyridin-5-yl]-(1-methylpyrrol-2-yl)methanone into molecular formula.
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C15H20N4O2
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