[
  {
    "molid": "mol36745",
    "smiles": "O=C(O)C(c1ccc(-c2ccccc2)cc1)C(O)c1ccco1",
    "microspecies": [
      {
        "id": "0_1",
        "charge": 0,
        "smiles": "O=C(O)[C@H](c1ccc(-c2ccccc2)cc1)[C@H](O)c1ccco1",
        "std_free_energy": -3.8720805644989014,
        "relative_population": 1.0
      },
      {
        "id": "-1_2",
        "charge": -1,
        "smiles": "O=C([O-])[C@H](c1ccc(-c2ccccc2)cc1)[C@H](O)c1ccco1",
        "std_free_energy": -9.774572372436523,
        "relative_population": 0.9999992923127712
      }
    ],
    "macro_pka_values": [
      {
        "pka_value": 3.9300000667572,
        "charge_state_pre": 0,
        "charge_state_post": -1,
        "data_source": "QSARToolbox"
      }
    ]
  }
]