Using CNc1nc(Nc2ccc(C#N)cc2Cl)ncc1C(F)(F)F, [N-]=[N+]=[N-] to produce CNc1nc(Nc2ccc(-c3nn[nH]n3)cc2Cl)ncc1C(F)(F)F, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.