Using [Br-], CCc1ccc(NS(=O)(=O)c2ccccn2)c(C(=O)O)c1C to produce CCc1cc(Br)c(NS(=O)(=O)c2ccccn2)c(C(=O)O)c1C, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.