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": "channel", "description": "Fetches details and videos of a YouTube channel using the RapidAPI YouTube V3 alternative.", "parameters": {"is_id": {"description": "The ID of the YouTube channel to fetch details for.", "type": "str", "default": "UCTwECeGqMZee77BjdoYtI2Q"}, "x_cachebypass": {"description": "Cache bypass parameter; must be passed as '1' if used.", "type": "str, optional", "default": ""}, "token": {"description": "Pagination token for fetching additional results beyond the first page.", "type": "str, optional", "default": ""}, "sort_by": {"description": "Parameter to sort the channel videos. Available options are 'newest', 'oldest', and 'popular'. Defaults to 'newest'.", "type": "str, optional", "default": ""}}}, {"name": "get_available_job_titles", "description": "Fetches available LinkedIn job titles based on a provided name using the Toolbench RapidAPI service.", "parameters": {"name": {"description": "The name or keyword to search for job titles.", "type": "str", "default": "fou"}}}, {"name": "validate_cnpj", "description": "Validate a CNPJ number using the Toolbench RapidAPI service, ignoring certain characters such as ., -, and /.", "parameters": {"n": {"description": "The CNPJ number to be validated.", "type": "str", "default": "11.111.111/1111-80"}}}, {"name": "get_a_specific_employee_by_employee_id", "description": "Fetches details of a specific employee by their unique employee ID.", "parameters": {"is_id": {"description": "The unique ID of the employee whose details are to be fetched.", "type": "int", "default": "715505"}}}]
Can you fetch the details and videos of the YouTube channel with ID 'UC-9-kyTW8ZkZNDHQJ6Vnn-Q' sorted by popularity, and also validate the CNPJ number '12.345.678/0001-90'?
user
assistant
[{"name": "channel", "arguments": {"is_id": "UC-9-kyTW8ZkZNDHQJ6Vnn-Q", "sort_by": "popular"}}, {"name": "validate_cnpj", "arguments": {"n": "12345678000190"}}]