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What is the molecular formula of the molecule identified by [2-chloro-3-(trifluoromethyl)phenyl]-(10-methyl-6-pyrimidin-2-yl-3,4,8,9-tetrahydro-1H-pyrazino[1,2-a]azepin-2-yl)methanone ?
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C22H20ClF3N4O
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