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: We present a case of cutaneous leucocytoclastic vasculitis in which amphotericin B might presumably be the aetiological factor.
Example Output: amphotericin B

Example Input: Neurophysiological mechanisms which aid in elucidating the role of disulfiram in the etiology of catatonia are discussed.
Example Output: disulfiram

Example Input: Nephrotic syndrome associated with lithium therapy.
Example Output:
lithium