22486
Results CAT was administered intragastrically ( 25 , 50 , 75 , 100 and 200mg / kg ) , and the two higher doses caused antinociceptive effects in the acetic acid model ; the highest dose reduced pain for 4h after it was administered ( 200mg / kg ) .
 Chemical: CAT; Chemical: acetic acid
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: CAT; Chemical: acetic acid