Using BrBr, O=S(=O)(c1cc2cc(Cl)c(Cl)cc2[nH]1)C(F)(F)C(F)Cl to produce O=S(=O)(c1[nH]c2cc(Cl)c(Cl)cc2c1Br)C(F)(F)C(F)Cl, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.