[
  {
    "molid": "mol38537",
    "smiles": "CC(=O)Nc1ccc(C2CC2C(=O)O)cc1",
    "microspecies": [
      {
        "id": "0_1",
        "charge": 0,
        "smiles": "CC(=O)Nc1ccc([C@@H]2C[C@@H]2C(=O)O)cc1",
        "std_free_energy": -4.142068862915039,
        "relative_population": 1.0
      },
      {
        "id": "-1_1",
        "charge": -1,
        "smiles": "CC(=O)Nc1ccc([C@@H]2C[C@@H]2C(=O)[O-])cc1",
        "std_free_energy": -8.864992141723633,
        "relative_population": 0.9999969461358444
      }
    ],
    "macro_pka_values": [
      {
        "pka_value": 4.57000017166138,
        "charge_state_pre": 0,
        "charge_state_post": -1,
        "data_source": "QSARToolbox"
      }
    ]
  }
]