Using CC(=O)NC(Cc1ccc(O)cc1)C(=O)O, COC(=O)C(N)Cc1ccc(O)cc1 to produce COC(=O)C(Cc1ccc(O)cc1)NC(=O)C(Cc1ccc(O)cc1)NC(C)=O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.