You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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Translate the chemical IUPAC name 6-propan-2-yl-5-[3-(trifluoromethyl)phenyl]-2,3,3a,4-tetrahydro-1H-[1,2,4]triazolo[1,5-a]pyrimidin-7-one into its molecular formula.
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C15H17F3N4O
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