You would need LLM output to be deterministic first (i.e., given the same set of English instructions, you get the exact same output every time). And that’s not

You would need LLM output to be deterministic first (i.e., given the same set of English instructions, you get the exact same output every time). And that’s not even getting into the inherent problems with the nuances of natural language. For something like this you really do need a tailor-made language suited to the task.