[
  {
    "molid": "mol11755",
    "smiles": "O=C1C=CC(=Nc2c(Cl)cc(O)cc2Cl)C=C1",
    "microspecies": [
      {
        "id": "0_1",
        "charge": 0,
        "smiles": "O=C1C=CC(=Nc2c(Cl)cc(O)cc2Cl)C=C1",
        "std_free_energy": -4.97830057144165,
        "relative_population": 0.9999873830047336
      },
      {
        "id": "-1_1",
        "charge": -1,
        "smiles": "O=C1C=CC(=Nc2c(Cl)cc([O-])cc2Cl)C=C1",
        "std_free_energy": -4.6772003173828125,
        "relative_population": 1.0
      }
    ],
    "macro_pka_values": [
      {
        "pka_value": 5.9,
        "charge_state_pre": 0,
        "charge_state_post": -1,
        "data_source": "IUPAC digitized pKa"
      }
    ]
  }
]