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: Dental
[{'content': 'Which of the following is an advisable chemical plaque controlling agent? \nSelect and explain. \nA. Disclosing agent, B. Antibiotics, C. Enzymes, D. Antiseptic mouth wash, e.g. chlorhexidine', 'role': 'user'}, {'content': 'Answer: D \nExplanation: None', 'role': 'assistant'}]