815
Recent findings implicate group II metabotropic glutamate receptors ( mGluR ( 2 / 3 ) ) in the reinforcing effects of psychostimulants and have identified these receptors as potential treatment targets for drug addiction .
 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