1917
BACKGROUND : Clomiphene citrate ( CC ) is commonly prescribed for ovulation induction .
 Chemical: Clomiphene citrate; Chemical: CC
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: Disease, Chemical 
Text: {0} 
 Entities: Clomiphene citrate, CC 
Answer:
 Chemical: Clomiphene citrate; Chemical: CC