Using C[C@@H]1CC2=CC(=O)C[C@H](C)[C@]2(CO)[C@H]2CC[C@]3(C)[C@@H](O)CC[C@H]3[C@H]12 to produce C[C@@H]1CC2=CC(=O)C[C@H](C)[C@]2(C=O)[C@H]2CC[C@]3(C)C(=O)CC[C@H]3[C@H]12, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.