Chemical Name: Tert-butyl 4-(6-((6-bromo-8-cyclopentyl-5-methyl-7-oxo-7,8-dihydropyrido[2,3-d]pyrimidin-2-yl)(nitroso)amino)pyridin-3-yl)piperazine-1-carboxylate
Smile: O=C(N1CCN(C2=CC=C(N(C3=NC=C(C(C)=C(Br)C(N4C5CCCC5)=O)C4=N3)N=O)N=C2)CC1)OC(C)(C)C