[
  {
    "molid": "mol30011",
    "smiles": "O=C(O)[C@H]1C[C@@H](Oc2ccc3oc4cccc(O)c4c(=O)c3c2)[C@H](O)[C@@H](O)[C@@H]1O",
    "microspecies": [
      {
        "id": "0_1",
        "charge": 0,
        "smiles": "O=C(O)[C@H]1C[C@@H](Oc2ccc3oc4cccc(O)c4c(=O)c3c2)[C@H](O)[C@@H](O)[C@@H]1O",
        "std_free_energy": -3.6830551624298096,
        "relative_population": 1.0
      },
      {
        "id": "-1_2",
        "charge": -1,
        "smiles": "O=C([O-])[C@H]1C[C@@H](Oc2ccc3oc4cccc(O)c4c(=O)c3c2)[C@H](O)[C@@H](O)[C@@H]1O",
        "std_free_energy": -8.415010452270508,
        "relative_population": 0.9980559775838587
      }
    ],
    "macro_pka_values": [
      {
        "pka_value": 3.94,
        "charge_state_pre": 0,
        "charge_state_post": -1,
        "data_source": "AttenGpKa training set"
      }
    ]
  }
]