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Under IUPAC nomenclature, a molecule named [2-ethoxy-4-[(Z)-[3-[2-(3-methylphenoxy)ethyl]-2,4-dioxo-1,3-thiazolidin-5-ylidene]methyl]phenyl] 4-methylbenzenesulfonate is given. What is its corresponding molecular formula?
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C28H27NO7S2
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