19688
Introduction : The mGlu2 receptor , which belongs to the group II subfamily of metabotropic glutamate receptors ( mGlu ) along with the mGlu3 receptor , has proven to be of particular importance in neuropharmacology .
 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