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system
Provide the molecular formula for the IUPAC named substance 4-[(4-butoxyphenyl)-hydroxymethylidene]-5-(3,4-dimethoxyphenyl)-1-(5-propan-2-yl-1,3,4-thiadiazol-2-yl)pyrrolidine-2,3-dione .
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C28H31N3O6S
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