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.

[Q]: Novel inhibitors complexed with glutamate dehydrogenase: allosteric regulation by control of protein dynamics.
[A]: glutamate


[Q]: Penicillin-binding proteins and role of amdinocillin in causing bacterial cell death.
[A]: amdinocillin


[Q]: Fragment-based design, synthesis, and biological evaluation of N-substituted-5-(4-isopropylthiophenol)-2-hydroxynicotinamide derivatives as novel Mcl-1 inhibitors.
[A]:
N-substituted-5-(4-isopropylthiophenol)-2-hydroxynicotinamide