Using CCOC(=O)c1cccc(-c2ccc(CBr)cc2)c1, CCOC(=O)c1cccc(-c2ccccc2C)c1 to produce CCOC(=O)c1cccc(-c2ccccc2CBr)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.