Using O=[N+]([O-])c1cc(Br)cc2c1c(F)nn2S(=O)(=O)c1ccccc1 to produce Nc1cc(Br)cc2c1c(F)nn2S(=O)(=O)c1ccccc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.