{
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        "height": 397,
        "content": "## Self-coded LLM Chain Node"
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        "content": "## Self-coded Tool Node"
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      "position": [
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      "parameters": {
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        "description": "Call this tool to research a topic on wikipedia."
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      "typeVersion": 1.1
    }
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  "connections": {
    "Set2": {
      "main": [
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