You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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Under IUPAC nomenclature, a molecule named (3R)-3-amino-1-(6-benzyl-3-methyl-6,8-dihydro-5H-[1,2,4]triazolo[4,3-a]pyrazin-7-yl)-4-(3,4-difluorophenyl)butan-1-one is given. What is its corresponding molecular formula?
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C23H25F2N5O
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