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 N,N-diethyl-4-[(2Z)-2-[1-(furan-2-yl)ethylidene]hydrazinyl]-3-nitrobenzenesulfonamide is given. What is its corresponding molecular formula?
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C16H20N4O5S
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