This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Other topics and Adverse effects, Subject name: Anatomy
[{'content': 'Prolong the use of the following that has been implemented in the causation of myelo-optic neuropathy (SMON) \nSelect and explain. \nA. Diloxanide furoate, B. Quiniodochlor, C. Emetine, D. Furazolidone', 'role': 'user'}, {'content': 'Answer: B \nExplanation: 8-hydroxyquinoline like quiniodochlor can result in SMON Ref-KDT 6/e p801', 'role': 'assistant'}]