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system
Provide the molecular formula for the IUPAC named substance N-[2-(2,6-dichloroanilino)-2-oxoethyl]-2-[2,5-dimethyl-3-(2-methyl-1,3-thiazol-4-yl)pyrrol-1-yl]-N-ethylacetamide .
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C22H24Cl2N4O2S
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