prompt: Your task is to convert an English description into an ASCII tree format using this style:
  ```
  request
   +--examples
   +--lib
   `--tests
       +--browser
       |   `--ssl
       +--fixtures
       `--ssl
           `--ca
  ```
  
  Convert this description:
  
  prerender-preview is a head directory that maintains 2 subdirectories: pages and test.
  At the top level, 'pages' keeps 1 nested folders: api.
  At level 2, in directory path 'pages > api', The 'api' compartment is vacant.
  At the top level, 'test' is vacant.
  
  
  Provide your answer wrapped in <ascii_formatted> tags.
verification_info: {"ground_truth": "prerender-preview\n +--pages\n |   `--api\n `--test", "description": "prerender-preview is a head directory that maintains 2 subdirectories: pages and test.\nAt the top level, 'pages' keeps 1 nested folders: api.\nAt level 2, in directory path 'pages > api', The 'api' compartment is vacant.\nAt the top level, 'test' is vacant.\n"}