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'-(4,5,6,7,8,9-hexahydrocycloocta[b]thiophene-2-carbonyl)-2,3-dihydro-1,4-dioxine-5-carbohydrazide is given. What is its corresponding molecular formula?
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C16H20N2O4S
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