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': 'Which is NOT a 2nd generation antihistaminic? \nSelect and explain. \nA. Loratidine, B. Acrivastatine, C. Cyclizine, D. Terfenidine', 'role': 'user'}, {'content': 'Answer: C \nExplanation: None', 'role': 'assistant'}]