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: Pharmacology
[{'content': 'Selective V2 receptor agonist useful for the treatment of central diabetes insipidus is : \nSelect and explain. \nA. Arginine vasopressin, B. Desmopressin, C. Lypressin, D. Terlipressin', 'role': 'user'}, {'content': 'Answer: B \nExplanation: None', 'role': 'assistant'}]