Using CCOC(=O)[C@@H](N)Cc1ccc(O)cc1, O=C(O)c1cccnc1 to produce CCOC(=O)[C@H](Cc1ccc(O)cc1)NC(=O)c1cccnc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.