[
  {
    "molid": "mol18657",
    "smiles": "Cc1nc2c3c(c(C(=O)N4CCCC4)cn2c1C)CCC1(CCc2ccccc21)O3",
    "microspecies": [
      {
        "id": "0_1",
        "charge": 0,
        "smiles": "Cc1nc2c3c(c(C(=O)N4CCCC4)cn2c1C)CC[C@@]1(CCc2ccccc21)O3",
        "std_free_energy": -4.876220226287842,
        "relative_population": 1.0
      },
      {
        "id": "1_1",
        "charge": 1,
        "smiles": "Cc1[nH+]c2c3c(c(C(=O)N4CCCC4)cn2c1C)CC[C@@]1(CCc2ccccc21)O3",
        "std_free_energy": -4.736579418182373,
        "relative_population": 1.0
      }
    ],
    "macro_pka_values": [
      {
        "pka_value": 6.88,
        "charge_state_pre": 1,
        "charge_state_post": 0,
        "data_source": "Baltruschat ChEMBL"
      }
    ]
  }
]