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 2-benzyl-7-(2,2-difluoroethyl)-5,6-dihydro-[1,2,4]triazolo[1,5-a]pyrazin-8-one into its molecular formula.
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C14H14F2N4O
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