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