[
  {
    "molid": "mol38386",
    "smiles": "CC(=O)OC/C=C/CN(C)C",
    "microspecies": [
      {
        "id": "0_1",
        "charge": 0,
        "smiles": "CC(=O)OC/C=C/CN(C)C",
        "std_free_energy": -2.9212236404418945,
        "relative_population": 1.0
      },
      {
        "id": "1_1",
        "charge": 1,
        "smiles": "CC(=O)OC/C=C/C[NH+](C)C",
        "std_free_energy": -8.173384666442871,
        "relative_population": 0.99913893046123
      }
    ],
    "macro_pka_values": [
      {
        "pka_value": 8.97000026702881,
        "charge_state_pre": 1,
        "charge_state_post": 0,
        "data_source": "QSARToolbox"
      }
    ]
  }
]