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 drug of choice for treatment of Neurosyphilis is: \nSelect and explain. \nA. Benzathine Penicillin G, B. Procaine Penicillin G, C. Penicillin V, D. Tetracycline', 'role': 'user'}, {'content': "Answer: B \nExplanation: Procaine Penicillin G is the alternative agent of choice for treatment of Neurosyphillis. The drug of choice for treatment of Neurosyphillis is Acqueous or Crystalline Penicillin G. Ref: The Encyclopedia of Neuropsychological Disorders, Page 396; Harrison's Principles of Internal Medicine, 16th Edition, Page 983 and 17th Edition, Page 1044", 'role': 'assistant'}]