[
  {
    "molid": "mol38245",
    "smiles": "Oc1cccc(Nc2nnn[nH]2)c1",
    "microspecies": [
      {
        "id": "0_5",
        "charge": 0,
        "smiles": "Oc1cccc(Nc2nnn[nH]2)c1",
        "std_free_energy": -6.114014625549316,
        "relative_population": 0.9999997051547014
      },
      {
        "id": "-1_2",
        "charge": -1,
        "smiles": "Oc1cccc(Nc2nnn[n-]2)c1",
        "std_free_energy": -6.102698802947998,
        "relative_population": 0.982325014102489
      }
    ],
    "macro_pka_values": [
      {
        "pka_value": 5.74700021743774,
        "charge_state_pre": 0,
        "charge_state_post": -1,
        "data_source": "QSARToolbox"
      }
    ]
  }
]