[
  {
    "molid": "mol15358",
    "smiles": "O=c1oc2cc(O)ccc2cc1-c1nc2ccccc2s1",
    "microspecies": [
      {
        "id": "0_2",
        "charge": 0,
        "smiles": "O=c1oc2cc(O)ccc2cc1-c1nc2ccccc2s1",
        "std_free_energy": -5.401902675628662,
        "relative_population": 0.9999998609853362
      },
      {
        "id": "-1_1",
        "charge": -1,
        "smiles": "O=c1oc2cc([O-])ccc2cc1-c1nc2ccccc2s1",
        "std_free_energy": -4.383017539978027,
        "relative_population": 1.0
      }
    ],
    "macro_pka_values": [
      {
        "pka_value": 7.02,
        "charge_state_pre": 0,
        "charge_state_post": -1,
        "data_source": "Datawarrior"
      }
    ]
  }
]