25858
Anti - inflammatory and analgesic effects of the optimized compound patch were evaluated using the adjuvant arthritis model and the pain model induced by acetic acid , respectively .
 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: acetic acid