Using FC(F)(F)c1nnc(Br)s1, O=S([O-])c1cc(Cl)cc(Cl)c1 to produce O=S(=O)(c1cc(Cl)cc(Cl)c1)c1nnc(C(F)(F)F)s1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.