[
  {
    "molid": "mol38582",
    "smiles": "NC(=O)C=Cc1ccc(O)cc1",
    "microspecies": [
      {
        "id": "0_1",
        "charge": 0,
        "smiles": "NC(=O)C=Cc1ccc(O)cc1",
        "std_free_energy": -6.5968780517578125,
        "relative_population": 1.0
      },
      {
        "id": "-1_2",
        "charge": -1,
        "smiles": "NC(=O)C=Cc1ccc([O-])cc1",
        "std_free_energy": -0.6297684907913208,
        "relative_population": 0.9988317719742684
      }
    ],
    "macro_pka_values": [
      {
        "pka_value": 8.60999965667725,
        "charge_state_pre": 0,
        "charge_state_post": -1,
        "data_source": "QSARToolbox"
      }
    ]
  }
]