[
  {
    "molid": "mol37368",
    "smiles": "O=C(Nc1ccccc1Cl)c1cc(Cl)cc(Br)c1O",
    "microspecies": [
      {
        "id": "0_1",
        "charge": 0,
        "smiles": "O=C(Nc1ccccc1Cl)c1cc(Cl)cc(Br)c1O",
        "std_free_energy": -4.029394626617432,
        "relative_population": 1.0
      },
      {
        "id": "-1_2",
        "charge": -1,
        "smiles": "O=C(Nc1ccccc1Cl)c1cc(Cl)cc(Br)c1[O-]",
        "std_free_energy": -4.892736911773682,
        "relative_population": 0.9886234961268922
      }
    ],
    "macro_pka_values": [
      {
        "pka_value": 5.09999990463257,
        "charge_state_pre": 0,
        "charge_state_post": -1,
        "data_source": "QSARToolbox"
      }
    ]
  }
]