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 1,3-dibromo-5-[(3E,5E)-5,7-dibromo-2-(2-sulfanyloxyethoxy)hepta-3,5-dien-3-yl]sulfonyl-2-(2-sulfanyloxyethoxy)benzene is given. What is its corresponding molecular formula?
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C17H20Br4O6S3
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