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Name the molecular formula for the molecule established as N-(2-chlorophenyl)-2-[(5E)-5-[(3,5-dibromo-4-ethoxyphenyl)methylidene]-2,4-dioxo-1,3-thiazolidin-3-yl]acetamide using the IUPAC nomenclature.
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C20H15Br2ClN2O4S
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