def METHOD_NAME():
  fes_binding = rcsb_web_services.chemical_id_search(
      "FES",
      xray_only=False,
      # log=sys.stdout
      )
  assert len(fes_binding) > 765, len(fes_binding)
  # checking correct work when no results found
  di1_examples = rcsb_web_services.chemical_id_search(
      'Di1',
      data_only=True,
      sort_by_resolution=True,
      # log=sys.stdout,
      )
  assert len(di1_examples) == 0