Using CC(=O)Oc1ccc(C(=O)O)cc1, CCOC(=O)[C@H](Cc1ccc(O)cc1)NC(=O)CN to produce CCOC(=O)[C@H](Cc1ccc(O)cc1)NC(=O)CNC(=O)c1ccc(OC(C)=O)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.