{
  "label": "HydrogenCount",
  "smiles": "[CH0][CH][CH9]",
  "tokens": [
    {
      "type": "BracketAtom",
      "value": "begin"
    },
    {
      "type": "ElementSymbol",
      "value": "C"
    },
    {
      "type": "HydrogenCount",
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    },
    {
      "type": "BracketAtom",
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    },
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    },
    {
      "type": "ElementSymbol",
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    },
    {
      "type": "HydrogenCount",
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    },
    {
      "type": "BracketAtom",
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    },
    {
      "type": "BracketAtom",
      "value": "begin"
    },
    {
      "type": "ElementSymbol",
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    },
    {
      "type": "HydrogenCount",
      "value": 9
    },
    {
      "type": "BracketAtom",
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    }
  ]
}