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_first_non_repeating_char", "description": "Finds the first non-repeating character in a string.", "parameters": {"s": {"description": "The input string.", "type": "str"}}}, {"name": "count_occurrences", "description": "Counts the occurrences of each element in a list and returns a dictionary with the counts.", "parameters": {"lst": {"description": "The input list.", "type": "List"}}}, {"name": "count_vowels", "description": "Counts the number of vowels in a given text.", "parameters": {"text": {"description": "The input text.", "type": "str"}}}, {"name": "flatten_list", "description": "Flattens a nested list into a single-level list.", "parameters": {"nested_list": {"description": "The nested list to be flattened.", "type": "List"}}}, {"name": "format_date", "description": "Converts a date string from one format to another.", "parameters": {"date": {"description": "The date string to convert.", "type": "str"}, "input_format": {"description": "The format of the input date string.", "type": "str"}, "output_format": {"description": "The desired format of the output date string.", "type": "str"}}}]
Find the first non-repeating character in the string 'programming'
user
assistant
[{"name": "find_first_non_repeating_char", "arguments": {"s": "programming"}}]