In this task, you are given a sentence. You are expected to recognize the name of any form of chemical substances. Although there might be several correct answers, you need to write one of them.

[Q]: Effects of silver nanoparticles on the liver and hepatocytes in vitro.
[A]: silver

[Q]: Discovery of liver-targeted inhibitors of stearoyl-CoA desaturase (SCD1).
[A]: stearoyl-CoA

[Q]: Sulfonylureas and glinides exhibit peroxisome proliferator-activated receptor gamma activity: a combined virtual screening and biological assay approach.
[A]:
glinides