21269
Glutamate receptor binding assays revealed that the azakaniod has a moderate affinity for unspecified glutamate receptors .
 Chemical: Glutamate; Chemical: azakaniod; Chemical: glutamate
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: Glutamate; Chemical: azakaniod; Chemical: glutamate