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': 'Mineralocorticoid receptors are present in all except: \nSelect and explain. \nA. Hippocampus, B. Colon, C. Liver, D. Kidney', 'role': 'user'}, {'content': 'Answer: C \nExplanation: None', 'role': 'assistant'}]