9889
KCNK1 , a member of the family of two - pore K ( + ) ion channels , is specifically induced in the livers of male mice after phenobarbital treatment .
 Chemical: K ( + ); Chemical: phenobarbital
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: K ( + ); Chemical: phenobarbital