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 (2R)-2-amino-1-[3-(3,4-difluorophenyl)-1,2,3,3a,4,6,7,7a-octahydropyrazolo[4,3-c]pyridin-5-yl]-3-hydroxypropan-1-one into molecular formula.
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C15H20F2N4O2
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