[
  {
    "molid": "mol38259",
    "smiles": "Oc1ccccc1C=Nc1ccccc1O",
    "microspecies": [
      {
        "id": "-1_2",
        "charge": -1,
        "smiles": "[O-]c1ccccc1C=Nc1ccccc1O",
        "std_free_energy": -0.10556140542030334,
        "relative_population": 0.5542253746330176
      },
      {
        "id": "-1_3",
        "charge": -1,
        "smiles": "[O-]c1ccccc1N=Cc1ccccc1O",
        "std_free_energy": 0.11298266053199768,
        "relative_population": 0.4454243180173448
      },
      {
        "id": "-2_1",
        "charge": -2,
        "smiles": "[O-]c1ccccc1C=Nc1ccccc1[O-]",
        "std_free_energy": 11.19483757019043,
        "relative_population": 1.0
      }
    ],
    "macro_pka_values": [
      {
        "pka_value": 10.0500001907349,
        "charge_state_pre": -1,
        "charge_state_post": -2,
        "data_source": "QSARToolbox"
      },
      {
        "pka_value": 9.98999977111816,
        "charge_state_pre": -1,
        "charge_state_post": -2,
        "data_source": "QSARToolbox"
      }
    ]
  }
]