text: ada-code-search-text, text-search-ada-doc-001, davinci-instruct-beta, text-similarity-curie-001, code-search-ada-code-001    Thought:I will use the "davinci" engine to generate a short piece of advice.    Action: requests_post    Action Input: {"url": "https://api.openai.com/v1/completions", "data": {"engine": "davinci", "prompt": "Give me a short piece of advice on how to be more productive."}, "output_instructions": "Extract the text from the first choice"}    Observation: "you must provide a model parameter"    Thought:!! Could not _extract_tool_and_input from "I cannot finish executing the plan without knowing how to provide the model parameter correctly." in _get_next_action    I cannot finish executing the plan without knowing how to provide the model parameter correctly.        > Finished chain.        Observation: I need more information on how to provide the model parameter correctly in the POST request to generate a short piece of advice.    Thought:I need to adjust my plan to include the model parameter in the POST request.    Action: api_planner    Action Input: I need to find the right API calls to generate a short piece of advice, including the model parameter in the POST request    Observation: 1. GET /models to retrieve the list of available models    2. Choose a suitable model from the list    3. POST /completions with the chosen model as a parameter to generate a short piece of advice    Thought:I have an updated plan, now I need to execute the API calls.    Action: api_controller    Action Input: 1. GET /models to retrieve the list of available models