12812
CJ - 15 , 208 antagonized a centrally administered KOR selective agonist , providing strong evidence it crosses the blood - brain barrier to reach KOR in the CNS .
 Chemical: CJ - 15 , 208
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: CJ - 15 , 208