[
  {
    "molid": "mol37519",
    "smiles": "Oc1ccc(Nc2cc(Br)c(O)c(Br)c2)cc1",
    "microspecies": [
      {
        "id": "0_2",
        "charge": 0,
        "smiles": "Oc1ccc(Nc2cc(Br)c(O)c(Br)c2)cc1",
        "std_free_energy": -5.776489734649658,
        "relative_population": 0.9999133122784902
      },
      {
        "id": "-1_1",
        "charge": -1,
        "smiles": "[O-]c1c(Br)cc(Nc2ccc(O)cc2)cc1Br",
        "std_free_energy": -4.437039375305176,
        "relative_population": 0.9544691450009728
      }
    ],
    "macro_pka_values": [
      {
        "pka_value": 7.0,
        "charge_state_pre": 0,
        "charge_state_post": -1,
        "data_source": "QSARToolbox"
      }
    ]
  }
]