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What is the molecular formula of the compound with this IUPAC name (4E)-1-(4-chlorophenyl)-4-[(3,5-dichloro-4-methoxyphenyl)-hydroxymethylidene]-5-(2-methyl-1H-indol-3-yl)pyrrolidine-2,3-dione ?
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C27H19Cl3N2O4
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