You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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Translate the chemical IUPAC name (4Z)-4-[(4-bromophenyl)-hydroxymethylidene]-5-(4-methylphenyl)-1-(1,3-thiazol-2-yl)pyrrolidine-2,3-dione into its molecular formula.
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C21H15BrN2O3S
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