26930
An anxiolytic - like effect of intensity comparable to that exerted by diazepam , used as reference drug , was produced in the light - dark box test .
 Chemical: diazepam
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
 Entities: diazepam 
Answer:
 Chemical: diazepam