This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Physiology
[{'content': 'The enzyme associated with the conversion of androgen to oestrogen in the growing ovarian follicle is: \nSelect and explain. \nA. Desmolase, B. Isomerase, C. Aromatase, D. Hydroxylase', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Aromatase', 'role': 'assistant'}]