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