[
  {
    "molid": "mol21054",
    "smiles": "O=C(/C=N/O)Nc1ccc[n+](CC[n+]2cccc(NC(=O)/C=N/O)c2)c1",
    "microspecies": [
      {
        "id": "1_1",
        "charge": 1,
        "smiles": "O=C(/C=N/[O-])Nc1ccc[n+](CC[n+]2cccc(NC(=O)/C=N/O)c2)c1",
        "std_free_energy": -2.140378952026367,
        "relative_population": 0.9188149261738059
      },
      {
        "id": "1_2",
        "charge": 1,
        "smiles": "O=C(/C=N/O)[N-]c1ccc[n+](CC[n+]2cccc(NC(=O)/C=N/O)c2)c1",
        "std_free_energy": 0.2859743535518646,
        "relative_population": 0.08118507382619411
      },
      {
        "id": "2_2",
        "charge": 2,
        "smiles": "O=C(/C=N/O)Nc1ccc[n+](CC[n+]2cccc(NC(=O)/C=N/O)c2)c1",
        "std_free_energy": -3.337844133377075,
        "relative_population": 0.9998275305542675
      }
    ],
    "macro_pka_values": [
      {
        "pka_value": 8.14,
        "charge_state_pre": 2,
        "charge_state_post": 1,
        "data_source": "OCHEM"
      }
    ]
  }
]