8910
Flower - shaped C ( 60 ) microcrystals are also observed with anionic surfactants cetyltrimethylammonium bromide ( CTAB ) and cetyltrimethylammonium chloride ( CTAC ) .
 Chemical: C ( 60 ); Chemical: cetyltrimethylammonium bromide; Chemical: CTAB; Chemical: cetyltrimethylammonium chloride; Chemical: CTAC
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: C ( 60 ); Chemical: cetyltrimethylammonium bromide; Chemical: CTAB; Chemical: cetyltrimethylammonium chloride; Chemical: CTAC