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]: Neuronal expression of glucosylceramide synthase in central nervous system regulates body weight and energy homeostasis.
[EX A]: glucosylceramide

[EX Q]: Mercury induces the expression of cyclooxygenase-2 and inducible nitric oxide synthase.
[EX A]: nitric oxide

[EX Q]: 4-Hydroxypyridazin-3(2H)-one Derivatives as Novel d-Amino Acid Oxidase Inhibitors.
[EX A]:
d-Amino Acid

