Using COc1cc(-c2nocc2-c2cccnc2C(F)(F)F)cc([N+](=O)[O-])c1OC to produce O=[N+]([O-])c1cc(-c2nocc2-c2cccnc2C(F)(F)F)cc(O)c1O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.