Using [N-]=[N+]=[N-], FC(F)(F)C1(c2ccc(CI)cc2)N=N1 to produce [N-]=[N+]=NCc1ccc(C2(C(F)(F)F)N=N2)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.