Using CC(C)(C)[C@@H]1OC(=O)[C@@H]2[C@H]1C2(C)C to produce CC(C)(C)[C@@H]1O[C@@H](O)[C@@H]2[C@H]1C2(C)C, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.