[
  {
    "molid": "mol35416",
    "smiles": "CCCCOc1cccc(NC(=O)OCCN(CC)CC)c1",
    "microspecies": [
      {
        "id": "0_1",
        "charge": 0,
        "smiles": "CCCCOc1cccc(NC(=O)OCCN(CC)CC)c1",
        "std_free_energy": -3.683699607849121,
        "relative_population": 1.0
      },
      {
        "id": "1_1",
        "charge": 1,
        "smiles": "CCCCOc1cccc(NC(=O)OCC[NH+](CC)CC)c1",
        "std_free_energy": -8.594069480895996,
        "relative_population": 0.9988069581850627
      }
    ],
    "macro_pka_values": [
      {
        "pka_value": 8.68000030517578,
        "charge_state_pre": 1,
        "charge_state_post": 0,
        "data_source": "QSARToolbox"
      }
    ]
  }
]