You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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Translate the chemical IUPAC name N'-[4-(tetrazol-1-yl)benzoyl]-4,5,6,7,8,9-hexahydrocycloocta[b]thiophene-2-carbohydrazide into its molecular formula.
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C19H20N6O2S
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