[
  {
    "molid": "mol34129",
    "smiles": "CN1C(=O)C(CCCc2ccccc2)C(=O)N(C)C1=O",
    "microspecies": [
      {
        "id": "0_1",
        "charge": 0,
        "smiles": "CN1C(=O)C(CCCc2ccccc2)C(=O)N(C)C1=O",
        "std_free_energy": -6.092455863952637,
        "relative_population": 1.0
      },
      {
        "id": "-1_1",
        "charge": -1,
        "smiles": "Cn1c(=O)[c-](CCCc2ccccc2)c(=O)n(C)c1=O",
        "std_free_energy": 2.552493095397949,
        "relative_population": 1.0
      }
    ],
    "macro_pka_values": [
      {
        "pka_value": 4.19999980926514,
        "charge_state_pre": 0,
        "charge_state_post": -1,
        "data_source": "QSARToolbox"
      }
    ]
  }
]