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": "cell_density", "description": "Calculates the cell density based on the optical density (OD) and dilution factor.", "parameters": {"od": {"description": "The optical density of the sample.", "type": "float", "default": 1000000000.0}, "dilution": {"description": "The dilution factor applied to the sample.", "type": "int", "default": 1000000000.0}, "factor": {"description": "The calibration factor for converting OD to cell density. Defaults to 1e9.", "type": "float, optional"}}}, {"name": "expand_around_center", "description": "Helper function to expand around a center for finding palindromic substrings.", "parameters": {"s": {"description": "The input string.", "type": "str"}, "left": {"description": "The left index of the center.", "type": "int"}, "right": {"description": "The right index of the center.", "type": "int"}}}, {"name": "convert_cooking_measurements", "description": "Converts a quantity of a cooking ingredient from one measurement unit to another.", "parameters": {"quantity": {"description": "The quantity of the item to convert.", "type": "float"}, "from_unit": {"description": "The unit of the input quantity (e.g., 'cup', 'gram').", "type": "str"}, "to_unit": {"description": "The unit to which the quantity should be converted (e.g., 'ounce', 'kilogram').", "type": "str"}, "item": {"description": "The cooking ingredient being converted (e.g., 'flour', 'sugar').", "type": "str"}}}]
Convert 2 cups of flour to grams.
user
assistant
[{"name": "convert_cooking_measurements", "arguments": {"quantity": 2, "from_unit": "cup", "to_unit": "gram", "item": "flour"}}]