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": "find_minimum_rotated_sorted_array", "description": "Finds the minimum element in a rotated sorted array.", "parameters": {"nums": {"description": "The rotated sorted array.", "type": "List[int]"}}}, {"name": "find_longest_palindromic_substring", "description": "Finds the longest palindromic substring in a string.", "parameters": {"s": {"description": "The input string.", "type": "str"}}}, {"name": "triangle_area", "description": "Computes the area of a triangle given its base and height.", "parameters": {"base": {"description": "The length of the base of the triangle.", "type": "float"}, "height": {"description": "The height of the triangle.", "type": "float"}}}]
What is the longest palindromic substring in the sentence 'racecar madam aracde'?
user
assistant
[{"name": "find_longest_palindromic_substring", "arguments": {"s": "racecar madam aracde"}}]