4310
DESIGN : Male Sprague - Dawley rats received 100 mg / kg cocaine IP alone , 5 mg / kg diazepam alone , or a combination of diazepam and cocaine .
 Chemical: cocaine; Chemical: diazepam; Chemical: diazepam; 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: cocaine; Chemical: diazepam; Chemical: diazepam; Chemical: cocaine