14642
Swiss albino mice were treated intraperitoneally with saline or agmatine ( 20 - 40 mg / kg ) before injection of ethanol ( 1 . 25 mg / kg ) during conditioning days or on a test day ( 20 - 120 mg / kg ) , to observe the effect on acquisition or expression of CPP , respectively .
 Chemical: agmatine; 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: agmatine; Chemical: ethanol