Using CCC(Br)CC, Cc1cc(C)c(-c2cn(C)c3nc(N)n(C)c(=O)c23)c(C)c1 to produce CCC(CC)Nc1nc2c(c(-c3c(C)cc(C)cc3C)cn2C)c(=O)n1C, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.