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 6-[2-(2,5-difluorophenyl)pyrrolidin-1-yl]-3-(6-piperazin-1-ylpyridin-2-yl)imidazo[1,2-b]pyridazine is given. What is its corresponding molecular formula?
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C25H25F2N7
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