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': 'All of the following antibiotics act by interfering with cell wall formation EXCEPT : \nSelect and explain. \nA. Ceftriaxone, B. Vancomycin, C. Cycloserine, D. Clindamycin', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Clindamycin acts by inhibiting the protein synthesis.', 'role': 'assistant'}]