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What is the molecular formula of the compound with this IUPAC name (1-phenylpyrazol-4-yl)-[2-(6,7,8,9-tetrahydro-5H-[1,2,4]triazolo[4,3-a]azepin-3-yl)pyrrolidin-1-yl]methanone ?
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C21H24N6O
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