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.

[EX Q]: Membrane-initiated estradiol signaling in immortalized hypothalamic N-38 neurons.
[EX A]: estradiol

[EX Q]: Use of the norepinephrine transporter as a reporter gene for non-invasive imaging of genetically modified cells.
[EX A]: norepinephrine

[EX Q]: Discovery of 7-methoxy-6-[4-(4-methyl-1,3-thiazol-2-yl)-1H-imidazol-5-yl]-1,3-benzothiazole (TASP0382088): a potent and selective transforming growth factor-β type I receptor inhibitor as a topical drug for alopecia.
[EX A]:
7-methoxy-6-[4-(4-methyl-1,3-thiazol-2-yl)-1H-imidazol-5-yl]-1,3-benzothiazole