28232
Both Lavandula officinalis and Val suppressed brain nitric oxide ( NO ) level of kindled mice in comparison with the control and PTZ group .
 Chemical: Val; Chemical: nitric oxide; Chemical: NO; Chemical: PTZ
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: Val, nitric oxide, NO, PTZ 
Answer:
 Chemical: Val; Chemical: nitric oxide; Chemical: NO; Chemical: PTZ