Using Nc1ccc(Cl)cc1, CC(C)(C)OC(=O)N1C[C@@H](C(=O)O)[C@H](C(=O)O)C1 to produce CC(C)(C)OC(=O)N1C[C@@H](C(=O)O)[C@H](C(=O)Nc2ccc(Cl)cc2)C1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.