22853
Cellular content of granuloma was measured by assaying activity of N - acetyl glucosaminidase ( NAG ) and total nucleic acid content .
 Chemical: N - acetyl
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: N - acetyl