[
  {
    "molid": "mol16929",
    "smiles": "c1ccc(Cc2ccc3c(NCCCNCc4ccco4)ccnc3c2)cc1",
    "microspecies": [
      {
        "id": "0_1",
        "charge": 0,
        "smiles": "c1ccc(Cc2ccc3c(NCCCNCc4ccco4)ccnc3c2)cc1",
        "std_free_energy": -2.5032529830932617,
        "relative_population": 1.0
      },
      {
        "id": "1_1",
        "charge": 1,
        "smiles": "c1ccc(Cc2ccc3c([NH2+]CCCNCc4ccco4)ccnc3c2)cc1",
        "std_free_energy": -7.566318988800049,
        "relative_population": 0.2990834040958745
      },
      {
        "id": "1_2",
        "charge": 1,
        "smiles": "c1ccc(Cc2ccc3c(NCCCNCc4ccco4)cc[nH+]c3c2)cc1",
        "std_free_energy": -7.739835739135742,
        "relative_population": 0.35575391018478375
      },
      {
        "id": "1_3",
        "charge": 1,
        "smiles": "c1ccc(Cc2ccc3c(NCCC[NH2+]Cc4ccco4)ccnc3c2)cc1",
        "std_free_energy": -7.7096123695373535,
        "relative_population": 0.34516268571934183
      }
    ],
    "macro_pka_values": [
      {
        "pka_value": 9.47,
        "charge_state_pre": 1,
        "charge_state_post": 0,
        "data_source": "Baltruschat ChEMBL"
      }
    ]
  }
]