[
  {
    "molid": "mol33817",
    "smiles": "Cn1c2ccccc2c(=O)c2ccccc21",
    "microspecies": [
      {
        "id": "0_1",
        "charge": 0,
        "smiles": "Cn1c2ccccc2c(=O)c2ccccc21",
        "std_free_energy": -7.048478126525879,
        "relative_population": 1.0
      },
      {
        "id": "1_1",
        "charge": 1,
        "smiles": "Cn1c2ccccc2c(=[OH+])c2ccccc21",
        "std_free_energy": 3.3973827362060547,
        "relative_population": 1.0
      }
    ],
    "macro_pka_values": [
      {
        "pka_value": 1.03999996185303,
        "charge_state_pre": 1,
        "charge_state_post": 0,
        "data_source": "QSARToolbox"
      }
    ]
  }
]