25951
Nicotine users received placebo , AZD1446 80 mg tid and 80 mg qd .
 Chemical: Nicotine; Chemical: AZD1446
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: Nicotine; Chemical: AZD1446