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': 'Drug of choice for Herpes simplex encephalitis is : \nSelect and explain. \nA. 5–Hydroxy deoxyuridine (5–HU), B. Acyclovir, C. Gancyclovir, D. None of the above', 'role': 'user'}, {'content': 'Answer: B \nExplanation: None', 'role': 'assistant'}]