Using O=[N+]([O-])O, Cc1ccc(S(=O)(=O)Nc2cc(F)ccc2F)cc1 to produce Cc1ccc(S(=O)(=O)Nc2cc(F)c([N+](=O)[O-])cc2F)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.