TASK DEFINITION: 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.
PROBLEM: The effect of a peripheral block on inflammation-induced prostaglandin E2 and cyclooxygenase expression in rats.

SOLUTION: prostaglandin E2

PROBLEM: A phase 1 study of tazarotene in adults with advanced cancer.

SOLUTION: tazarotene

PROBLEM: Aspirin inhibits mTOR signaling, activates AMP-activated protein kinase, and induces autophagy in colorectal cancer cells.

SOLUTION:
mTOR