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system
Provide the molecular formula for the IUPAC named substance 4-[4-(1,3,4,6,7,8,9,9a-octahydropyrido[1,2-a]pyrazin-2-yl)anilino]-6-[(4,7-difluoro-2-methyl-1H-indol-5-yl)oxy]pyrimidine-5-carbonitrile .
user
C28H27F2N7O
assistant