prompt: Your task is to convert the following English description into an ASCII tree format.
  
  toolchain is a top-level directory that incorporates 2 subdirectories: install and internal.
  At the main level, 'install' maintains 1 subdirectories: internal.
  In nested path 'install > internal', The 'internal' folder contains no subdirectories.
  Back to the top level.
  At the top level, Inside 'internal', you'll find it appears to be unused.
  
  
  Format your response in this style:
  ```
  node_modules
   +--@somenamespace
   |   `--eslint-formatter-foo
   `--eslint-formatter-bar
  ```
  
  Provide your answer wrapped in <ascii_formatted> tags.
verification_info: {"ground_truth": "toolchain\n +--install\n |   `--internal\n `--internal", "description": "toolchain is a top-level directory that incorporates 2 subdirectories: install and internal.\nAt the main level, 'install' maintains 1 subdirectories: internal.\nIn nested path 'install > internal', The 'internal' folder contains no subdirectories.\nBack to the top level.\nAt the top level, Inside 'internal', you'll find it appears to be unused.\n"}