30109
C12 - , ( C12 ) 2 - and cholesteryl - sperminex - siRNA were capable of luciferase knockdown at nanomolar concentrations without vectorization ( i . e . one to two orders of magnitude more potent than commercially available cholesteryl siRNA ) .
 Chemical: C12; Chemical: ( C12 ) 2; Chemical: cholesteryl - sperminex; Chemical: cholesteryl
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: C12; Chemical: ( C12 ) 2; Chemical: cholesteryl - sperminex; Chemical: cholesteryl