7191
In addition , higher concentrations of DCPG also depress excitatory transmission in the medial perforant path ( MPP ) , a pathway expressing very low levels of mGlu8 receptors .
 Chemical: DCPG
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: DCPG