Using CC(=O)O[C@H]1CC[C@@]2(C)C(=CC[C@@H]3[C@@H]2[C@@H](OC(C)=O)C[C@@]2(C)[C@H]3CCC23OCCO3)C1 to produce C[C@]12CC[C@H](O)CC1=CC[C@@H]1[C@@H]2[C@@H](O)C[C@@]2(C)[C@H]1CCC21OCCO1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.