[
  {
    "molid": "mol21048",
    "smiles": "CCCCCNC(=O)NS(=O)(=O)c1cc(Cl)ccc1OC",
    "microspecies": [
      {
        "id": "0_1",
        "charge": 0,
        "smiles": "CCCCCNC(=O)NS(=O)(=O)c1cc(Cl)ccc1OC",
        "std_free_energy": -5.906581878662109,
        "relative_population": 1.0
      },
      {
        "id": "-1_1",
        "charge": -1,
        "smiles": "CCCCCNC(=O)[N-]S(=O)(=O)c1cc(Cl)ccc1OC",
        "std_free_energy": -9.87122917175293,
        "relative_population": 1.0
      }
    ],
    "macro_pka_values": [
      {
        "pka_value": 5.46,
        "charge_state_pre": 0,
        "charge_state_post": -1,
        "data_source": "Baltruschat ChEMBL"
      }
    ]
  }
]