23815
Three regimens of THC administration were tested : single THC application 2h or 48h before the induction of infarct , or 3 weeks continuous treatment before MI .
 Chemical: THC; Chemical: THC
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: THC; Chemical: THC