Using CC(C)(C)OC(=O)N1C(=O)[C@@H]2C[C@H]1CC[C@@H]2NC(=O)OCc1ccccc1 to produce CC(C)(C)OC(=O)N1C(O)[C@@H]2C[C@H]1CC[C@@H]2NC(=O)OCc1ccccc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.