In this task, you will be given sentences in which your task is to recognize the name of the drug or medicine. Drugs are substances that change a person's mental or physical state. They can affect how your brain works, how you feel and behave, your understanding, and your senses. Although there might be several correct answers, you need to write one of them.

Input: Consider Input: A case of clozapine-induced tonic-clonic seizures managed with valproate: implications for clinical care.

Output: clozapine


Input: Consider Input: The risk of new-onset diabetic ketoacidosis in patients with diabetic risk factors who are taking perospirone hydrochloride or other atypical antipsychotics should be kept in mind.

Output: perospirone hydrochloride


Input: Consider Input: CASE REPORT: We report a case of acute severe hepatitis resulting from erlotinib monotherapy in a patient with locally advanced pancreatic cancer.


Output: erlotinib