Using Clc1nc(Cl)c2[nH]cnc2n1, CC(C)(C)OC(=O)N1CC[C@@H](O)C1 to produce CC(C)(C)OC(=O)N1CC[C@H](n2cnc3c(Cl)nc(Cl)nc32)C1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.