17841
The crystal structure of HSA complexed with fatty acid and acetyldiflunisal revealed that acetyldiflunisal binds to the IIA subdomain and that upon binding , it acetylates lysine 199 .
 Chemical: fatty acid; Chemical: acetyldiflunisal; Chemical: acetyldiflunisal; Chemical: lysine
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: fatty acid; Chemical: acetyldiflunisal; Chemical: acetyldiflunisal; Chemical: lysine