[
  {
    "molid": "mol38255",
    "smiles": "Oc1ccccc1C=Nc1ccc(Cl)cc1",
    "microspecies": [
      {
        "id": "0_2",
        "charge": 0,
        "smiles": "Oc1ccccc1C=Nc1ccc(Cl)cc1",
        "std_free_energy": -5.873563289642334,
        "relative_population": 0.9952338579446661
      },
      {
        "id": "-1_1",
        "charge": -1,
        "smiles": "[O-]c1ccccc1C=Nc1ccc(Cl)cc1",
        "std_free_energy": 0.4499090611934662,
        "relative_population": 1.0
      }
    ],
    "macro_pka_values": [
      {
        "pka_value": 10.5799999237061,
        "charge_state_pre": 0,
        "charge_state_post": -1,
        "data_source": "QSARToolbox"
      }
    ]
  }
]