[
  {
    "molid": "mol13782",
    "smiles": "Cc1cc(-c2c(C)noc2O)on1",
    "microspecies": [
      {
        "id": "0_2",
        "charge": 0,
        "smiles": "Cc1cc(-c2c(C)noc2O)on1",
        "std_free_energy": -2.5964930057525635,
        "relative_population": 0.9693551536417135
      },
      {
        "id": "-1_1",
        "charge": -1,
        "smiles": "Cc1cc(-c2c(C)noc2[O-])on1",
        "std_free_energy": -11.124094009399414,
        "relative_population": 1.0
      }
    ],
    "macro_pka_values": [
      {
        "pka_value": 3.2,
        "charge_state_pre": 0,
        "charge_state_post": -1,
        "data_source": "Datawarrior"
      }
    ]
  }
]