<human>: Question: Besides semisytetic modifications, what advances in medicinal chemistry regarding antibacterials?
Answer: Compounds that are still isolated from living organisms are the aminoglycosides, whereas other antibacterials—for example, the sulfonamides, the quinolones, and the oxazolidinones—are produced solely by chemical synthesis.
 Is the question answered in a satisfactory fashion?

OPTIONS:
- yes
- no
<bot>: no