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": "is_valid_palindrome", "description": "Checks if a string is a valid palindrome, considering only alphanumeric characters and ignoring case.", "parameters": {"s": {"description": "The input string.", "type": "str"}}}]
Check if 'Murder for a jar of red rum' is a palindrome.
user
assistant
[{"name": "is_valid_palindrome", "arguments": {"s": "Murder for a jar of red rum"}}]