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.

Q: CASE SUMMARY: A 45-year-old HIV-positive man (CD4+ count 450 cells/mm(3) and history of AIDS-defining illness) presented with JHR after an initial intravenous dose of penicillin G for presumed neurosyphilis.

A: penicillin G
****
Q: CONCLUSIONS: Topical brimonidine may be associated with central nervous system depression in infants.

A: brimonidine
****
Q: In a phase II study of hycanthone in patients with breast cancer we have recently observed severe hepatotoxicity, even at lower doses, which resulted in two drug-related deaths.

A:
hycanthone
****