[
  {
    "molid": "mol33175",
    "smiles": "Nc1ccc(Sc2ccc([N+](=O)[O-])cc2)cc1",
    "microspecies": [
      {
        "id": "0_1",
        "charge": 0,
        "smiles": "Nc1ccc(Sc2ccc([N+](=O)[O-])cc2)cc1",
        "std_free_energy": -6.202719688415527,
        "relative_population": 1.0
      },
      {
        "id": "1_1",
        "charge": 1,
        "smiles": "[NH3+]c1ccc(Sc2ccc([N+](=O)[O-])cc2)cc1",
        "std_free_energy": 1.4579615592956543,
        "relative_population": 1.0
      }
    ],
    "macro_pka_values": [
      {
        "pka_value": 2.99,
        "charge_state_pre": 1,
        "charge_state_post": 0,
        "data_source": "OCHEM"
      },
      {
        "pka_value": 2.99000000953674,
        "charge_state_pre": 1,
        "charge_state_post": 0,
        "data_source": "QSARToolbox"
      }
    ]
  }
]