9067
It is suggested that 8 - OH - DPAT and quinpirole probably produce compulsive behavior by acting on different parts of a security motivation circuit underlying obsessive - compulsive disorder .
 Chemical: 8 - OH - DPAT; Chemical: quinpirole
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
 Entities: 8 - OH - DPAT, quinpirole 
Answer:
 Chemical: 8 - OH - DPAT; Chemical: quinpirole