28314
Collectively , SAL - 2 inhibited COX - 2 and iNOS gene expression through suppression of NF - kappa B leading to the inhibition of PGE2 synthesis .
 Chemical: SAL - 2; Chemical: PGE2
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: SAL - 2; Chemical: PGE2