[
  {
    "molid": "mol35811",
    "smiles": "Cc1cccc(N=Nc2c(O)ccc3cc(S(=O)(=O)O)ccc23)c1",
    "microspecies": [
      {
        "id": "-1_3",
        "charge": -1,
        "smiles": "Cc1cccc(N=Nc2c(O)ccc3cc(S(=O)(=O)[O-])ccc23)c1",
        "std_free_energy": -7.696602821350098,
        "relative_population": 0.9957552579473831
      },
      {
        "id": "-2_1",
        "charge": -2,
        "smiles": "Cc1cccc(N=Nc2c([O-])ccc3cc(S(=O)(=O)[O-])ccc23)c1",
        "std_free_energy": -3.369563579559326,
        "relative_population": 1.0
      }
    ],
    "macro_pka_values": [
      {
        "pka_value": 10.6700000762939,
        "charge_state_pre": -1,
        "charge_state_post": -2,
        "data_source": "QSARToolbox"
      }
    ]
  }
]