17832
AuIB had no significant effect on acute nicotine behaviors , but dose - dependently attenuated nicotine reward and physical withdrawal signs , with no significant effect in affective withdrawal measures .
 Chemical: nicotine; 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; Chemical: nicotine