[
  {
    "molid": "mol35466",
    "smiles": "Cc1cc(/N=N/c2ccc([As](=O)(O)O)cc2)cc(C)c1O",
    "microspecies": [
      {
        "id": "-1_2",
        "charge": -1,
        "smiles": "Cc1cc(/N=N/c2ccc([As](=O)([O-])O)cc2)cc(C)c1O",
        "std_free_energy": -9.798389434814453,
        "relative_population": 0.9996037546354892
      },
      {
        "id": "-2_1",
        "charge": -2,
        "smiles": "Cc1cc(/N=N/c2ccc([As](=O)([O-])[O-])cc2)cc(C)c1O",
        "std_free_energy": -8.195588111877441,
        "relative_population": 0.9983404574284435
      }
    ],
    "macro_pka_values": [
      {
        "pka_value": 7.8899998664856,
        "charge_state_pre": -1,
        "charge_state_post": -2,
        "data_source": "QSARToolbox"
      }
    ]
  }
]