[
  {
    "molid": "mol17939",
    "smiles": "Cc1ccc2nc3sc(Cl)nc3c(O)c2c1",
    "microspecies": [
      {
        "id": "0_2",
        "charge": 0,
        "smiles": "Cc1ccc2nc3sc(Cl)nc3c(O)c2c1",
        "std_free_energy": -6.418704032897949,
        "relative_population": 0.9999996355064155
      },
      {
        "id": "-1_1",
        "charge": -1,
        "smiles": "Cc1ccc2nc3sc(Cl)nc3c([O-])c2c1",
        "std_free_energy": -3.210664749145508,
        "relative_population": 1.0
      }
    ],
    "macro_pka_values": [
      {
        "pka_value": 5.0,
        "charge_state_pre": 0,
        "charge_state_post": -1,
        "data_source": "OCHEM"
      }
    ]
  }
]