[
  {
    "molid": "mol19286",
    "smiles": "Oc1noc2cc(Cl)ccc12",
    "microspecies": [
      {
        "id": "0_1",
        "charge": 0,
        "smiles": "Oc1noc2cc(Cl)ccc12",
        "std_free_energy": -4.333552360534668,
        "relative_population": 1.0
      },
      {
        "id": "-1_1",
        "charge": -1,
        "smiles": "[O-]c1noc2cc(Cl)ccc12",
        "std_free_energy": -5.359371185302734,
        "relative_population": 1.0
      }
    ],
    "macro_pka_values": [
      {
        "pka_value": 4.0,
        "charge_state_pre": 0,
        "charge_state_post": -1,
        "data_source": "Baltruschat ChEMBL"
      },
      {
        "pka_value": 4.07,
        "charge_state_pre": 0,
        "charge_state_post": -1,
        "data_source": "Baltruschat ChEMBL"
      }
    ]
  }
]