Using Clc1ccc2c(n1)CCN2, CC(C)(C)OC(=O)N1CCC(Oc2cc(Cl)ncn2)CC1 to produce CC(C)(C)OC(=O)N1CCC(Oc2cc(N3CCc4nc(Cl)ccc43)ncn2)CC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.