18426
1 , 2 - Benzisothiazolin - 3 - one ( BIT ; CAS # 2634 - 33 - 5 ) is a preservative used in consumer products .
 Chemical: 1 , 2 - Benzisothiazolin - 3 - one; Chemical: BIT; Chemical: 2634 - 33 - 5
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: 1 , 2 - Benzisothiazolin - 3 - one, BIT, 2634 - 33 - 5 
Answer:
 Chemical: 1 , 2 - Benzisothiazolin - 3 - one; Chemical: BIT; Chemical: 2634 - 33 - 5