Using Cc1cc(Cl)cnc1C=O, CC(C)(C)OC(=O)N1CCC(N)CC1 to produce Cc1cc(Cl)cnc1CNC1CCN(C(=O)OC(C)(C)C)CC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.