prompt: Your task is to convert an English description into an ASCII tree format using this style:
  ```
  ide
   +--visualstudio
   |   `--tasks
   |       `--internal
   `--xcode
       `--tasks
           `--internal
  ```
  
  Convert this description:
  
  custom-server is a origin directory that maintains 2 subdirectories: app and pages.
  At the main level, Within 'app', you'll find 1 subdirectories for code structure.
  In nested path 'app → b', The 'b' section has no content.
  Back to the top level.
  At the top level, Inside 'pages', you'll find it has been left empty.
  
  
  Provide your answer wrapped in <ascii_formatted> tags.
verification_info: {"ground_truth": "custom-server\n +--app\n |   `--b\n `--pages", "description": "custom-server is a origin directory that maintains 2 subdirectories: app and pages.\nAt the main level, Within 'app', you'll find 1 subdirectories for code structure.\nIn nested path 'app \u2192 b', The 'b' section has no content.\nBack to the top level.\nAt the top level, Inside 'pages', you'll find it has been left empty.\n"}