[
  {
    "molid": "mol20025",
    "smiles": "CCNC(=O)c1ccc(-c2ccc(-c3ccccc3)n2Cc2cccc(N)n2)cc1",
    "microspecies": [
      {
        "id": "0_1",
        "charge": 0,
        "smiles": "CCNC(=O)c1ccc(-c2ccc(-c3ccccc3)n2Cc2cccc(N)n2)cc1",
        "std_free_energy": -5.903078556060791,
        "relative_population": 1.0
      },
      {
        "id": "1_1",
        "charge": 1,
        "smiles": "CCNC(=O)c1ccc(-c2ccc(-c3ccccc3)n2Cc2cccc(N)[nH+]2)cc1",
        "std_free_energy": -5.089254379272461,
        "relative_population": 0.8600953910956846
      },
      {
        "id": "1_2",
        "charge": 1,
        "smiles": "CCNC(=O)c1ccc(-c2ccc(-c3ccccc3)n2Cc2cccc([NH3+])n2)cc1",
        "std_free_energy": -3.273171901702881,
        "relative_population": 0.13990460890431547
      }
    ],
    "macro_pka_values": [
      {
        "pka_value": 6.86,
        "charge_state_pre": 1,
        "charge_state_post": 0,
        "data_source": "Baltruschat ChEMBL"
      }
    ]
  }
]