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