You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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For the molecule named 4-[2-(5-chloro-6-fluoro-1H-indazol-7-yl)-1,1-difluoro-2-oxoethyl]-N-(4,4-difluorocyclohexyl)piperidine-1-carboxamide by IUPAC nomenclature, provide its molecular formula.
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C21H22ClF5N4O2
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