You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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For the molecule named 2-[5-(2,4-difluorophenyl)sulfonyl-1-methyl-6,7-dihydro-4H-pyrazolo[4,3-c]pyridin-3-yl]-5-(4-fluorophenyl)-1,3,4-oxadiazole by IUPAC nomenclature, provide its molecular formula.
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C21H16F3N5O3S
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