Using O=[N+]([O-])[O-], O=C(O)c1cccc(OC(F)(F)F)c1 to produce O=C(O)c1cc(OC(F)(F)F)ccc1[N+](=O)[O-], please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.