[
  {
    "molid": "mol32965",
    "smiles": "O=C(O)CCCCC[C@@H]1NC(=O)CS1",
    "microspecies": [
      {
        "id": "0_1",
        "charge": 0,
        "smiles": "O=C(O)CCCCC[C@@H]1NC(=O)CS1",
        "std_free_energy": -4.410069465637207,
        "relative_population": 1.0
      },
      {
        "id": "-1_1",
        "charge": -1,
        "smiles": "O=C([O-])CCCCC[C@@H]1NC(=O)CS1",
        "std_free_energy": -8.933321952819824,
        "relative_population": 0.9999983127356145
      }
    ],
    "macro_pka_values": [
      {
        "pka_value": 5.1,
        "charge_state_pre": 0,
        "charge_state_post": -1,
        "data_source": "OCHEM"
      }
    ]
  }
]