[
  {
    "molid": "mol33783",
    "smiles": "[O-][n+]1c2ccccc2nc2ccccc21",
    "microspecies": [
      {
        "id": "0_1",
        "charge": 0,
        "smiles": "[O-][n+]1c2ccccc2nc2ccccc21",
        "std_free_energy": -7.415229797363281,
        "relative_population": 1.0
      },
      {
        "id": "1_1",
        "charge": 1,
        "smiles": "O[n+]1c2ccccc2nc2ccccc21",
        "std_free_energy": 5.007632255554199,
        "relative_population": 0.9765171332348352
      }
    ],
    "macro_pka_values": [
      {
        "pka_value": 1.12000000476837,
        "charge_state_pre": 1,
        "charge_state_post": 0,
        "data_source": "QSARToolbox"
      }
    ]
  }
]