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 (7S)-5-[3-chloro-4-(trifluoromethyl)phenyl]-3-[2-(5-fluoro-4-methylpyridin-3-yl)-2-oxoethyl]-7-methyl-6,7-dihydropyrazolo[1,5-a]pyrazin-4-one into molecular formula.
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C22H17ClF4N4O2
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