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system
What is the molecular formula of the compound with this IUPAC name 5-[[4-[(2R)-1-[(6-methylimidazo[2,1-b][1,3]thiazol-5-yl)methyl]pyrrolidin-2-yl]pyrimidin-2-yl]amino]pyridine-2-carbonitrile ?
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C21H20N8S
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