[
  {
    "molid": "mol34366",
    "smiles": "O=C(O)c1cccc2c1C1CCC2c2cccc(O)c21",
    "microspecies": [
      {
        "id": "0_1",
        "charge": 0,
        "smiles": "O=C(O)c1cccc2c1[C@@H]1CC[C@H]2c2cccc(O)c21",
        "std_free_energy": -3.2561910152435303,
        "relative_population": 1.0
      },
      {
        "id": "-1_1",
        "charge": -1,
        "smiles": "O=C([O-])c1cccc2c1[C@@H]1CC[C@H]2c2cccc(O)c21",
        "std_free_energy": -10.41569709777832,
        "relative_population": 0.9999684029312732
      }
    ],
    "macro_pka_values": [
      {
        "pka_value": 5.98999977111816,
        "charge_state_pre": 0,
        "charge_state_post": -1,
        "data_source": "QSARToolbox"
      }
    ]
  }
]