This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Miscellaneous General Anesthesia, Subject name: Anaesthesia
[{'content': 'Maximum global warming is by- \nSelect and explain. \nA. Desflurane, B. Isoflurane, C. Sevoflurane, D. Halothane', 'role': 'user'}, {'content': "Answer: A \nExplanation: Ans. is 'a' i.e., Desfluraneo Desflurane is a greenhouse gas.o It causes maximum global warming.Global warming potential (as an equal amount of CO2)Isoflurane210 timesSevoflurane510 timesDesflurane1620 times", 'role': 'assistant'}]