[
  {
    "molid": "mol18234",
    "smiles": "CC1(c2ccccc2)Cc2cc(OCCCC(=O)O)c(Cl)c(Cl)c2C1=O",
    "microspecies": [
      {
        "id": "0_1",
        "charge": 0,
        "smiles": "C[C@]1(c2ccccc2)Cc2cc(OCCCC(=O)O)c(Cl)c(Cl)c2C1=O",
        "std_free_energy": -4.1298828125,
        "relative_population": 1.0
      },
      {
        "id": "-1_1",
        "charge": -1,
        "smiles": "C[C@]1(c2ccccc2)Cc2cc(OCCCC(=O)[O-])c(Cl)c(Cl)c2C1=O",
        "std_free_energy": -8.572076797485352,
        "relative_population": 1.0
      }
    ],
    "macro_pka_values": [
      {
        "pka_value": 6.4,
        "charge_state_pre": 0,
        "charge_state_post": -1,
        "data_source": "Baltruschat ChEMBL"
      }
    ]
  }
]