Using CCOC(=O)[C@H](Cc1ccccc1OC(C)=O)NC(=O)CNC(=O)c1ccccc1 to produce O=C(CNC(=O)c1ccccc1)N[C@@H](Cc1ccccc1O)C(=O)O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.