Using NCC1CCN(Cc2ccc(Cl)cc2)CC1, CC(C)(C)OC(=O)N[C@H](Cc1ccccc1)C(=O)O to produce CC(C)(C)OC(=O)N[C@H](Cc1ccccc1)C(=O)NCC1CCN(Cc2ccc(Cl)cc2)CC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.