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 following drug acts by hypomethylation- \nSelect and explain. \nA. Gemcitabine, B. Capecitabine, C. Decitabine, D. Cytosine arabinoside', 'role': 'user'}, {'content': "Answer: C \nExplanation: Ans. is 'c' i.e., Decitabine o Decitabine a cytidine analogue (pyrimidine analogue), causes hypomethylation by inhibiting DNA methyl transferase. o Other drug causing hypomethylation by inhibiting DNA methyl transferase - Azacitidine.", 'role': 'assistant'}]