12810
The macrocyclic peptide natural product CJ - 15 , 208 is orally active and prevents reinstatement of extinguished cocaine - seeking behavior .
 Chemical: CJ - 15 , 208; Chemical: cocaine
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; Chemical: cocaine