[
  {
    "molid": "mol35617",
    "smiles": "CCCc1cc(/N=N/c2ccc(C(=O)O)cc2)ccc1O",
    "microspecies": [
      {
        "id": "-1_2",
        "charge": -1,
        "smiles": "CCCc1cc(/N=N/c2ccc(C(=O)[O-])cc2)ccc1O",
        "std_free_energy": -9.427511215209961,
        "relative_population": 0.9993732042523223
      },
      {
        "id": "-2_1",
        "charge": -2,
        "smiles": "CCCc1cc(/N=N/c2ccc(C(=O)[O-])cc2)ccc1[O-]",
        "std_free_energy": -0.967115044593811,
        "relative_population": 1.0
      }
    ],
    "macro_pka_values": [
      {
        "pka_value": 7.98999977111816,
        "charge_state_pre": -1,
        "charge_state_post": -2,
        "data_source": "QSARToolbox"
      }
    ]
  }
]