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": "detalhes_empresa", "description": "Retrieves detailed information about a company using its CNPJ.", "parameters": {"cnpj": {"description": "The CNPJ of the company.", "type": "str", "default": "45973106000100"}}}]
Can you provide details about the company with CNPJ 12.345.678/0001-90?
user
assistant
[{"name": "detalhes_empresa", "arguments": {"cnpj": "12.345.678/0001-90"}}]