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.

Input: Consider Input: Adapalene, a new chemical entity with retinoid activity.

Output: retinoid


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

Output: mTOR


Input: Consider Input: The ATP required for potentiation of skeletal muscle contraction is released via pannexin hemichannels.


Output: ATP


