3433
In this model , toxic effects were induced by intraperitoneal ( i . p . ) injection of amphetamine 75 mg / kg ( 100 % death rate ) or cocaine 70 mg / kg ( 82 % death rate ) .
 Chemical: amphetamine; Chemical: cocaine
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Disease, Chemical 
Text: {0} 
Answer:
 Chemical: amphetamine; Chemical: cocaine