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system
Name the molecular formula for the molecule established as 3-[5-[5-fluoro-2-[(1-methylsulfanylpiperidin-4-yl)amino]pyrimidin-4-yl]-4-(trifluoromethyl)-1,3-thiazol-2-yl]cyclobutane-1-carbonitrile using the IUPAC nomenclature.
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C19H20F4N6S2
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