Using Nc1c(S(=O)(=O)C(F)(F)F)cnn1-c1c(Cl)cc(C(F)(F)F)cc1Cl, BrC(Br)Br to produce O=S(=O)(c1cnn(-c2c(Cl)cc(C(F)(F)F)cc2Cl)c1Br)C(F)(F)F, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.