You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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Convert the IUPAC name of a molecule 4-chloro-5-[4-(2,5-difluorobenzoyl)piperidin-1-yl]-2-[5-(trifluoromethyl)pyridin-2-yl]pyridazin-3-one into molecular formula.
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C22H16ClF5N4O2
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