1358
Cocaine ( 40 mg / kg ) was injected subcutaneously for an acute experiment and subsequent 20 mg / kg doses twice daily for 3 days in a chronic study .
 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