Using BrCc1ccccc1, CN1CC[C@]23c4c5ccc(O)c4O[C@H]2[C@@H](O)C=C[C@H]3[C@H]1C5 to produce CN1CC[C@]23C4=C5O[C@H]2[C@@H](O)C=C[C@H]3[C@H]1CC4=CCC5(O)Cc1ccccc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.