Thanks. Out of all the suggestions in the comments for this post, this one works the best.
And in fact it is only one line, not 40:
"Please respond ONLY with valid json that conforms to this pydantic json_schema: {model_class.schema_json()}. Do not include additional text other than the object json as we will load this object with json.loads() and pydantic."
And in fact it is only one line, not 40: