4891
However , no differences in recovery were found in motor - incoordinating effects of an alpha 1 - selective modulator ( zolpidem ) or an alpha 4 - selective agonist ( gaboxadol ) .
 Chemical: zolpidem; Chemical: gaboxadol
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: zolpidem; Chemical: gaboxadol