13739
Addition of 2 . 0mM oleic acid ( OA ) into the culture media induced fatty liver condition in HepG2 cells by 24h .
 Chemical: oleic 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: oleic acid