Using [Br-], CCCCCCCCCCCCCCOc1cccc(CC(=O)Nc2ccccc2CO)c1 to produce CCCCCCCCCCCCCCOc1cccc(CC(=O)Nc2ccccc2CBr)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.