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For the molecule named (4E,5S)-1-(6-chloro-1,3-benzothiazol-2-yl)-5-(4-hydroxy-3-methoxyphenyl)-4-[hydroxy-[(2R)-2-methyl-2,3-dihydro-1-benzofuran-5-yl]methylidene]pyrrolidine-2,3-dione by IUPAC nomenclature, provide its molecular formula.
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C28H21ClN2O6S
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