[
  {
    "molid": "mol38207",
    "smiles": "O=C1CN=C(c2ccccc2)c2cc(Cl)ccc2N1",
    "microspecies": [
      {
        "id": "0_1",
        "charge": 0,
        "smiles": "O=C1CN=C(c2ccccc2)c2cc(Cl)ccc2N1",
        "std_free_energy": -6.357996463775635,
        "relative_population": 1.0
      },
      {
        "id": "1_2",
        "charge": 1,
        "smiles": "O=C1C[NH+]=C(c2ccccc2)c2cc(Cl)ccc2N1",
        "std_free_energy": -0.38712000846862793,
        "relative_population": 0.9763204798128555
      }
    ],
    "macro_pka_values": [
      {
        "pka_value": 3.48000001907349,
        "charge_state_pre": 1,
        "charge_state_post": 0,
        "data_source": "QSARToolbox"
      }
    ]
  }
]