25265
It evidenced antinociceptive activity on the acetic acid - induced nociception , hot plate and formalin tests ( at 10 mg / kg and 30 mg / kg ) .
 Chemical: acetic acid; Chemical: formalin
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; Chemical: formalin