Using Cc1nn(-c2c(Cl)cc(C(F)(F)F)cc2Cl)c(Cl)c1C=O, [N-]=[N+]=[N-] to produce Cc1nn(-c2c(Cl)cc(C(F)(F)F)cc2Cl)c(N)c1C=O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.