[
  {
    "molid": "mol32032",
    "smiles": "O=C1NC(=O)C(Cc2ccc3ccccc3c2)=C1O",
    "microspecies": [
      {
        "id": "0_1",
        "charge": 0,
        "smiles": "O=C1NC(=O)C(Cc2ccc3ccccc3c2)=C1O",
        "std_free_energy": -4.723326683044434,
        "relative_population": 1.0
      },
      {
        "id": "-1_1",
        "charge": -1,
        "smiles": "O=C1NC(=O)C(Cc2ccc3ccccc3c2)=C1[O-]",
        "std_free_energy": -3.6609864234924316,
        "relative_population": 0.6832720922266606
      },
      {
        "id": "-1_2",
        "charge": -1,
        "smiles": "O=C1[N-]C(=O)C(Cc2ccc3ccccc3c2)=C1O",
        "std_free_energy": -2.892136335372925,
        "relative_population": 0.31672790777333937
      }
    ],
    "macro_pka_values": [
      {
        "pka_value": 5.08,
        "charge_state_pre": 0,
        "charge_state_post": -1,
        "data_source": "OCHEM"
      }
    ]
  }
]