Using BrC1CCCC1, OC[C@]12CC[C@@H]3c4ccc(O)cc4CC[C@H]3[C@@H]1CC[C@@H]2O to produce OC[C@]12CC[C@@H]3c4ccc(OC5CCCC5)cc4CC[C@H]3[C@@H]1CC[C@@H]2O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.