22487
In the formalin test , two doses of CAT promoted antinociception in both the early and later phases of the test .
 Chemical: formalin; Chemical: CAT
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: formalin; Chemical: CAT