Using Clc1cncc(Cl)n1, CC(C)(C)OC(=O)N1CCC(N)CC1 to produce CC(C)(C)OC(=O)N1CCC(Nc2cncc(Cl)n2)CC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.