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 2-[2-[(3R,5S)-5-methylpyrrolidin-3-yl]oxy-5,7-dihydropyrrolo[3,4-b]pyridin-6-yl]acetaldehyde;hydrochloride into molecular formula.
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C14H20ClN3O2
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