Using CCO[C@H]1CC[C@@]2(COC(C)=O)C(=CC[C@@H]3[C@@H]2CC[C@]2(C)[C@@H](OC(C)=O)CC[C@@H]32)C1 to produce CCO[C@H]1CC[C@@]2(CO)C(=CC[C@@H]3[C@@H]2CC[C@]2(C)[C@@H](OC(C)=O)CC[C@@H]32)C1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.