Using CC(C)(C)OC(=O)N1CCC(N)C1, O=Cc1ccc(Cl)cc1 to produce CC(C)(C)OC(=O)N1CCC(NCc2ccc(Cl)cc2)C1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.