15432
Nitric oxide ( NO ) and prostaglandin E2 ( PGE ( 2 ) ) , downstream products , were also suppressed in dose - dependent manners , except for WL and WW .
 Chemical: Nitric oxide; Chemical: NO; Chemical: prostaglandin E2; Chemical: PGE ( 2 )
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: Nitric oxide; Chemical: NO; Chemical: prostaglandin E2; Chemical: PGE ( 2 )