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The GABA A receptor subunits contain distinct binding sites for BZDs , neurosteroids , general anesthetics , etc . , which are responsible for the numerous functions of the GABA A receptor .
 Chemical: GABA; Chemical: BZDs; Chemical: neurosteroids; Chemical: GABA
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
 Chemical: GABA; Chemical: BZDs; Chemical: neurosteroids; Chemical: GABA