Using O=[N+]([O-])O, O=C(O)c1ccc(OC(F)(F)F)cc1 to produce O=C(O)c1ccc(OC(F)(F)F)c([N+](=O)[O-])c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.