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: Despite the known pulmonary side effects of nitrofurantoin, there is no report of this toxicity occurring in pregnant patients.

Output: nitrofurantoin


Input: Consider Input: BACKGROUND: The risk/benefit ratio of warfarin therapy changes in the over 75s, when haemorrhagic side-effects become more common.

Output: warfarin


Input: Consider Input: Venlafaxine-induced urinary incontinence resolved after switching to sertraline.


Output: Venlafaxine