[
  {
    "molid": "mol18902",
    "smiles": "O=[N+]([O-])c1ncn(CCCNCc2ccc3ccc(Cl)cc3n2)n1",
    "microspecies": [
      {
        "id": "0_1",
        "charge": 0,
        "smiles": "O=[N+]([O-])c1ncn(CCCNCc2ccc3ccc(Cl)cc3n2)n1",
        "std_free_energy": -3.762828826904297,
        "relative_population": 1.0
      },
      {
        "id": "1_3",
        "charge": 1,
        "smiles": "O=[N+]([O-])c1ncn(CCC[NH2+]Cc2ccc3ccc(Cl)cc3n2)n1",
        "std_free_energy": -7.568481922149658,
        "relative_population": 0.9314105425983574
      }
    ],
    "macro_pka_values": [
      {
        "pka_value": 8.76,
        "charge_state_pre": 1,
        "charge_state_post": 0,
        "data_source": "Baltruschat ChEMBL"
      }
    ]
  }
]