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.
--------
Question: Effects of silver nanoparticles on the liver and hepatocytes in vitro.

Answer: silver


Question: Characteristics of the binding of phenoxybenzamine to calmodulin.

Answer: phenoxybenzamine


Question: Phosphorylation and up-regulation of diacylglycerol kinase gamma via its interaction with protein kinase C gamma.

Answer:
diacylglycerol