[
  {
    "molid": "mol35358",
    "smiles": "Cc1cc(O)cc(C)c1/N=N/c1ccc(S(=O)(=O)O)c2ccccc12",
    "microspecies": [
      {
        "id": "-1_1",
        "charge": -1,
        "smiles": "Cc1cc(O)cc(C)c1/N=N/c1ccc(S(=O)(=O)[O-])c2ccccc12",
        "std_free_energy": -9.150821685791016,
        "relative_population": 0.9998559361207606
      },
      {
        "id": "-2_1",
        "charge": -2,
        "smiles": "Cc1cc([O-])cc(C)c1/N=N/c1ccc(S(=O)(=O)[O-])c2ccccc12",
        "std_free_energy": -1.98297119140625,
        "relative_population": 1.0
      }
    ],
    "macro_pka_values": [
      {
        "pka_value": 8.25,
        "charge_state_pre": -1,
        "charge_state_post": -2,
        "data_source": "QSARToolbox"
      }
    ]
  }
]