Using CCOC(=O)CCCCc1ccc(CCCCCCO)c(CCC(=O)OCC)c1, BrC(Br)(Br)Br to produce CCOC(=O)CCCCc1ccc(CCCCCCBr)c(CCC(=O)OCC)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.