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system
Name the molecular formula for the molecule established as 2,2-dimethyl-1-[3-[2-(2-methyl-1,3-thiazol-5-yl)-6-(propan-2-ylamino)pyrimidin-4-yl]piperidin-1-yl]propan-1-one using the IUPAC nomenclature.
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C21H31N5OS
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