Using BrBr, CNS(=O)(=O)Cc1ccc(NC(=O)C(F)(F)F)cc1 to produce CNS(=O)(=O)Cc1ccc(NC(=O)C(F)(F)F)c(Br)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.