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 not causing hemolysis in G6PD deficiency? \nSelect and explain. \nA. Primaquinc, B. Chloroquine, C. Nalidixic acid, D. Nitrofurantoin', 'role': 'user'}, {'content': "Answer: B \nExplanation: Ans. is 'b' i.e., Chloroquine Among the given options, chloroquine is the best answer (though it can also cause hemolysis, but very rarely).", 'role': 'assistant'}]