23860
12 - Hydroxystearic acid ( 12 - HSA ) xerogels derived from 12 - HSA - acetronitrile organogels are highly effective sorbent materials capable of adsorbing apolar , spilled materials in aqueous environments .
 Chemical: 12 - Hydroxystearic acid; Chemical: 12 - HSA; Chemical: 12 - HSA; Chemical: acetronitrile
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: 12 - Hydroxystearic acid; Chemical: 12 - HSA; Chemical: 12 - HSA; Chemical: acetronitrile