[
  {
    "molid": "mol36549",
    "smiles": "CNNC(=O)c1nc2ccccc2s1",
    "microspecies": [
      {
        "id": "0_1",
        "charge": 0,
        "smiles": "CNNC(=O)c1nc2ccccc2s1",
        "std_free_energy": -6.524392127990723,
        "relative_population": 1.0
      },
      {
        "id": "-1_1",
        "charge": -1,
        "smiles": "CN[N-]C(=O)c1nc2ccccc2s1",
        "std_free_energy": 3.6813955307006836,
        "relative_population": 1.0
      }
    ],
    "macro_pka_values": [
      {
        "pka_value": 10.25,
        "charge_state_pre": 0,
        "charge_state_post": -1,
        "data_source": "QSARToolbox"
      }
    ]
  }
]