Using [N-]=[N+]=[N-], COCOC[C@@H]1NC1(c1ccc(F)cc1)c1ccc(F)cc1 to produce COCOC[C@H](N)C(N=[N+]=[N-])(c1ccc(F)cc1)c1ccc(F)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.