This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Neurotic Disorders, Subject name: Psychiatry
[{'content': 'Drug of choice for OCD is? \nSelect and explain. \nA. Clomipramine, B. Fluoxetine, C. Carbamezapine, D. Chlorpromazine', 'role': 'user'}, {'content': 'Answer: B \nExplanation: ANSWER: (B) FluoxetineREF: Kaplan 9th ed p - 622OCDTreatment of choice: behaviour therapyDrug of choice: SSRI2nd drug of choice: comipramine', 'role': 'assistant'}]