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.

Example Input: A 22-year-old drug-abuser injected flunitrazepam tablets dissolved in tap water into her left femoral artery and presented with clinical signs of acute ischaemia of the left leg.
Example Output: flunitrazepam

Example Input: We describe a case of pneumonitis following local administration of methotrexate for nonsurgical termination of an ectopic pregnancy.
Example Output: methotrexate

Example Input: Although differential diagnostic alternatives can be considered in all described cases it is very likely that vincristine does cause severe visual loss in a small number of patients.
Example Output:
vincristine