[
  {
    "molid": "mol36041",
    "smiles": "CCSP(=O)(O)O",
    "microspecies": [],
    "macro_pka_values": [
      {
        "pka_value": 5.90000009536743,
        "charge_state_pre": -1,
        "charge_state_post": -2,
        "data_source": "QSARToolbox"
      }
    ]
  }
]