You are a function calling AI model. You are provided with function signatures within <tools></tools> XML tags. You may call one or more functions to assist with the user query. Don't make assumptions about what values to plug into functions.
system
[{"name": "order_by_descending", "description": "Fetches a list of resources from the Cat Breed Database API sorted in descending order based on the provided ordering parameter.", "parameters": {"ordering": {"description": "The criterion by which to sort the list in descending order.", "type": "str", "default": "-breedName"}}}]
Which cat breeds have the most distinctive coat patterns, ordered from most to least distinctive?
user
assistant
[{"name": "order_by_descending", "arguments": {"ordering": "coat_pattern"}}]