[
  {
    "molid": "mol30312",
    "smiles": "Cc1ccc(C(=O)C2C(=O)ON=C2c2ccccc2)cc1",
    "microspecies": [
      {
        "id": "0_1",
        "charge": 0,
        "smiles": "Cc1ccc(C(=O)[C@H]2C(=O)ON=C2c2ccccc2)cc1",
        "std_free_energy": -4.009801387786865,
        "relative_population": 1.0
      },
      {
        "id": "-1_1",
        "charge": -1,
        "smiles": "Cc1ccc(C(=O)[c-]2c(-c3ccccc3)noc2=O)cc1",
        "std_free_energy": -5.402722358703613,
        "relative_population": 1.0
      }
    ],
    "macro_pka_values": [
      {
        "pka_value": 1.48,
        "charge_state_pre": 0,
        "charge_state_post": -1,
        "data_source": "AttenGpKa training set"
      }
    ]
  }
]