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': 'The antiviral drug recommended for treatment of Herpes Zoster infection of Trigeminal nerve\ndistribution in an immunocompromised host is \nSelect and explain. \nA. Fomivirsen, B. Vidarabin, C. Famciclovir, D. Entecavir', 'role': 'user'}, {'content': 'Answer: C \nExplanation: None', 'role': 'assistant'}]