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-[(3R)-1-[(2,5-difluorophenyl)methyl]piperidin-3-yl]-3-(2-methylpyridin-4-yl)-5,8-dihydro-1H-pyrazolo[4,3-g]quinazolin-7-one into molecular formula.
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C27H26F2N6O
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