[
  {
    "molid": "mol33878",
    "smiles": "COc1ccc2[nH]c(C)c(CC(=O)O)c2c1",
    "microspecies": [
      {
        "id": "0_1",
        "charge": 0,
        "smiles": "COc1ccc2[nH]c(C)c(CC(=O)O)c2c1",
        "std_free_energy": -4.824927806854248,
        "relative_population": 1.0
      },
      {
        "id": "-1_3",
        "charge": -1,
        "smiles": "COc1ccc2[nH]c(C)c(CC(=O)[O-])c2c1",
        "std_free_energy": -9.122332572937012,
        "relative_population": 0.9999999592266052
      }
    ],
    "macro_pka_values": [
      {
        "pka_value": 6.19999980926514,
        "charge_state_pre": 0,
        "charge_state_post": -1,
        "data_source": "QSARToolbox"
      }
    ]
  }
]