[
  {
    "molid": "mol35722",
    "smiles": "Nc1nonc1C(=O)O",
    "microspecies": [
      {
        "id": "0_1",
        "charge": 0,
        "smiles": "Nc1nonc1C(=O)O",
        "std_free_energy": -2.472815990447998,
        "relative_population": 0.9832669917297602
      },
      {
        "id": "-1_1",
        "charge": -1,
        "smiles": "Nc1nonc1C(=O)[O-]",
        "std_free_energy": -10.682315826416016,
        "relative_population": 0.9997447468020835
      }
    ],
    "macro_pka_values": [
      {
        "pka_value": 3.19000005722046,
        "charge_state_pre": 0,
        "charge_state_post": -1,
        "data_source": "QSARToolbox"
      }
    ]
  }
]