14646
Agmatine or imidazoline agents alone produced neither place preference nor aversion , and at the doses used in the present study did not affect locomotor activity .
 Chemical: Agmatine; Chemical: imidazoline
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: imidazoline