This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Opioid-Related Disorders, Subject name: Psychiatry
[{'content': 'Di-acetyl morphine is - \nSelect and explain. \nA. Bhang, B. Ganja, C. Heroin, D. Hashih', 'role': 'user'}, {'content': "Answer: C \nExplanation: Ans. is 'c' i.e. Heroin o Di-acetyl morphine is the chemical name of heroino Heroin (smack) is the most commonly abused opioid.o Bhang, Ganja and hashish (charas) are preparation of cannabis or marinjuana.", 'role': 'assistant'}]