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 discuss our observations in the cases of two patients with acyclovir neurotoxicity and review the findings of all previous reports in the English language literature.
Example Output: acyclovir

Example Input: However, recurrent staphylococcus aureus sepsis developed during CyA therapy.
Example Output: CyA

Example Input: Beneficial effect of low-dose mianserin on fluvoxamine-induced akathisia in an obsessive-compulsive patient.
Example Output:
fluvoxamine