Using COc1ccc(C=Cc2ccc(CO)cc2)cc1, COc1ccc(Cc2ccc(CBr)cc2)cc1 to produce COc1ccc(C=Cc2ccc(CBr)cc2)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.