23002
With a cholesterol modification at C - terminal , the inhibitor containing I646K mutation represented higher anti - viral activity than C34 - cholesterol combination without mutation .
 Chemical: cholesterol; Chemical: C; Chemical: cholesterol
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
 Entities: cholesterol, C, cholesterol 
Answer:
 Chemical: cholesterol; Chemical: C; Chemical: cholesterol