Using COc1ccc(C(=O)O)cc1OC, N[C@H](CC(=O)O)c1cccc(C(=O)O)c1 to produce COc1ccc(C(=O)N[C@H](CC(=O)O)c2cccc(C(=O)O)c2)cc1OC, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.