5692
Consistent with these results , ethanol pretreatment significantly impaired cued and contextual fear conditioning in non - transgenic mice , but had no effect in CCL2 - transgenic mice .
 Chemical: ethanol
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: ethanol