21582
RESULTS : The reinforcing effect of music , but not other rewards , was greater due to the nicotine cigarette , compared to the denicotinized cigarette or no smoking .
 Chemical: nicotine
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