Using CCOc1cc2c(cc1OC(C)=O)C(=O)C[C@@H]1[C@@H]2CC[C@]2(C)[C@@H](OC(C)=O)CC[C@@H]12 to produce CCOc1cc2c(cc1O)C(=O)C[C@@H]1[C@@H]2CC[C@]2(C)[C@@H](O)CC[C@@H]12, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.