Using C[N+](=O)[O-], O=Cc1ccc2c(c1)OC(F)(F)O2 to produce O=[N+]([O-])C=Cc1ccc2c(c1)OC(F)(F)O2, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.