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: Twenty-four hours after the administration of gemcitabine, a symmetric, bullous, herpetiform eruption appeared on his trunk and upper limbs.
Example Output: gemcitabine

Example Input: Cutaneous mycobacterial infection post intravesical BCG installation.
Example Output: BCG

Example Input: Renal failure associated with the use of dextran-40.
Example Output:
dextran-40