This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Mycobacterial Diseases (TB, Leprosy and MAC), Subject name: Pharmacology
[{'content': 'What is the mechanism of action of Delamanid ? \nSelect and explain. \nA. Inhibition of DNA Gyrase, B. Inhibition of Alanine Racemase, C. Inhibition of Mycolic acid synthesis, D. Inhibition of Topoisomerase', 'role': 'user'}, {'content': 'Answer: C \nExplanation: DELAMANID: It is an anti-tuberculosis agent derived from the Nitro-dihydro-imidazooxazole class of compounds. MOA: Forms a reactive intermediate metabolite that inhibits Mycolic acid production. USE: In treatment of multidrug-resistant (MDR-TB) and extensively drug-resistant tuberculosis (XDR-TB) in a combination regimen. S/E: QT segment prolongation', 'role': 'assistant'}]