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system
Provide the molecular formula for the IUPAC named substance methyl 2-[3-[(E)-2-cyano-3-(2,4-dimethylanilino)-3-oxoprop-1-enyl]-2,5-dimethylpyrrol-1-yl]-4,5-dimethylthiophene-3-carboxylate .
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C26H27N3O3S
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