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 ethyl 2-(1,3-benzodioxol-5-yl)-3-(4-chlorophenyl)sulfonyl-1-cyanocyclopropane-1-carboxylate is given. What is its corresponding molecular formula?
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C20H16ClNO6S
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