Using CN1CCN(S(=O)(=O)c2ccc(C(F)(F)F)cc2[N+](=O)[O-])CC1 to produce CN1CCN(S(=O)(=O)c2ccc(C(F)(F)F)cc2N)CC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.