[
  {
    "molid": "mol38258",
    "smiles": "Oc1ccccc1C=Nc1ccccc1Cl",
    "microspecies": [
      {
        "id": "0_1",
        "charge": 0,
        "smiles": "Oc1ccccc1C=Nc1ccccc1Cl",
        "std_free_energy": -6.439211845397949,
        "relative_population": 0.997378809321689
      },
      {
        "id": "-1_1",
        "charge": -1,
        "smiles": "[O-]c1ccccc1C=Nc1ccccc1Cl",
        "std_free_energy": -1.0524260997772217,
        "relative_population": 1.0
      }
    ],
    "macro_pka_values": [
      {
        "pka_value": 10.3500003814697,
        "charge_state_pre": 0,
        "charge_state_post": -1,
        "data_source": "QSARToolbox"
      }
    ]
  }
]