8900
C ( 60 ) crystals were grown using a liquid - liquid interfacial precipitation ( LLIP ) method by layering surfactant solution in butanol with a saturated solution of C ( 60 ) in benzene .
 Chemical: C ( 60 ); Chemical: butanol; Chemical: C ( 60 ); Chemical: benzene
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: butanol; Chemical: C ( 60 ); Chemical: benzene