Using CC[C@]12CCC3=C(CCc4cc(O)ccc43)C1=CC[C@@H]2O to produce CC[C@]12CCC3=C(CCc4cc(O)ccc43)[C@@H]1CC[C@@H]2O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.