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Under IUPAC nomenclature, a molecule named [4-[(Z)-[3-[(2,4-dichlorophenyl)methyl]-2,4-dioxo-1,3-thiazolidin-5-ylidene]methyl]phenyl] naphthalene-1-carboxylate is given. What is its corresponding molecular formula?
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C28H17Cl2NO4S
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