12442
While PNU - 120596 reversed the scopolamine - induced cognitive impairment , it did not have any adverse effect on anxiety .
 Chemical: PNU - 120596
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: PNU - 120596