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.

[EX Q]: An adult male presented with central blindness after ingesting methanol.
[EX A]: methanol

[EX Q]: BACKGROUND: The risk/benefit ratio of warfarin therapy changes in the over 75s, when haemorrhagic side-effects become more common.
[EX A]: warfarin

[EX Q]: Since imiquimod induces large amounts of type I interferon production from TLR7-expressing plasmacytoid dendritic cell precursors (PDCs), the natural interferon-producing cells of the peripheral blood, we asked whether PDCs are present in psoriatic skin.
[EX A]:
imiquimod