You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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For the molecule named 5-[1,2,2,2-tetrafluoro-1-(1,1,2,2,3,3,3-heptafluoropropoxy)ethyl]-1H-1,2,4-triazole-3-sulfonyl chloride by IUPAC nomenclature, provide its molecular formula.
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C7HClF11N3O3S
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