17793
Drug discrimination was used to assess amphetamine - like stimulus properties , and drug self - administration was used to evaluate reinforcing effects of ABT - 288 .
 Chemical: amphetamine; Chemical: ABT - 288
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: amphetamine; Chemical: ABT - 288