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system
Please write the molecular formula of the molecule (5Z)-5-[[1-(4-bromo-3,5-dimethylphenyl)-2,5-dimethylpyrrol-3-yl]methylidene]-3-[(2,4-dichlorophenyl)methyl]-1,3-thiazolidine-2,4-dione .
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C25H21BrCl2N2O2S
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