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.
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Question: Pharmacological, pharmacokinetic and clinical properties of olopatadine hydrochloride, a new antiallergic drug.

Answer: olopatadine


Question: Biosynthesis of selenocysteine on its tRNA in eukaryotes.

Answer: selenocysteine


Question: Aryl hydrocarbon receptor is a target of 17-Allylamino-17-demethoxygeldanamycin and enhances its anticancer activity in lung adenocarcinoma cells.

Answer:
17-Allylamino-17-demethoxygeldanamycin