prompt: Your task is to convert the following English description into an ASCII tree format.
  
  source is a primary directory that assembles 2 subdirectories: as-promise and core.
  At the top level, 'as-promise' remains unused.
  At the top level, 'core' bundles 1 nested folders: utils.
  In nested path 'core → utils', Inside 'utils', you'll find it is vacant.
  Back to the top level.
  
  
  Format your response in this style:
  ```
  styled-jsx
   +--node_modules
   |   `--my-comps
   `--pages
  ```
  
  Provide your answer wrapped in <ascii_formatted> tags.
verification_info: {"ground_truth": "source\n +--as-promise\n `--core\n     `--utils", "description": "source is a primary directory that assembles 2 subdirectories: as-promise and core.\nAt the top level, 'as-promise' remains unused.\nAt the top level, 'core' bundles 1 nested folders: utils.\nIn nested path 'core \u2192 utils', Inside 'utils', you'll find it is vacant.\nBack to the top level.\n"}