You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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Under IUPAC nomenclature, a molecule named (2R)-2-(2,5-difluorophenyl)-5-(4,6-dihydro-1H-pyrrolo[3,4-c]pyrazol-5-yl)-1-methylpiperidin-3-amine is given. What is its corresponding molecular formula?
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C17H21F2N5
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