You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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For the molecule named 6-[2-[2-(5,6-dimethoxy-1,2,3,4-tetrahydronaphthalen-2-yl)-2-hexylhydrazinyl]ethyl]-3H-1,3-benzothiazol-2-one;dihydrochloride by IUPAC nomenclature, provide its molecular formula.
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C27H39Cl2N3O3S
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