You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name 1-benzyl-4-[4-[5-(1,1-difluoroethyl)pyridin-2-yl]piperazin-1-yl]-5H-cyclopenta[d]pyridazine into its molecular formula.
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C25H25F2N5
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