Using C[C@@](CO)(C[C@H](N)Cc1ccc(-c2cccc(Cl)c2)cc1)C(=O)O, COc1cc(C(=O)O)on1 to produce COc1cc(C(=O)N[C@H](Cc2ccc(-c3cccc(Cl)c3)cc2)C[C@@](C)(CO)C(=O)O)on1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.