[
  {
    "molid": "mol19616",
    "smiles": "Cc1c(Cc2ccccc2S(=O)(=O)c2ccccc2)c2c(n1CC(=O)O)CCN(C)C2=O",
    "microspecies": [
      {
        "id": "0_1",
        "charge": 0,
        "smiles": "Cc1c(Cc2ccccc2S(=O)(=O)c2ccccc2)c2c(n1CC(=O)O)CCN(C)C2=O",
        "std_free_energy": -3.908320426940918,
        "relative_population": 1.0
      },
      {
        "id": "-1_1",
        "charge": -1,
        "smiles": "Cc1c(Cc2ccccc2S(=O)(=O)c2ccccc2)c2c(n1CC(=O)[O-])CCN(C)C2=O",
        "std_free_energy": -10.007522583007812,
        "relative_population": 1.0
      }
    ],
    "macro_pka_values": [
      {
        "pka_value": 2.9,
        "charge_state_pre": 0,
        "charge_state_post": -1,
        "data_source": "Baltruschat ChEMBL"
      }
    ]
  }
]