Using COC1=C[C@]23CCN(C)[C@H](Cc4ccc(OC)c(O)c42)C3=C[C@H]1C, Brc1ccccc1 to produce COC1=C[C@]23CCN(C)[C@H](Cc4ccc(OC)c(Oc5ccccc5)c42)C3=C[C@H]1C, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.