20647
Resolvins and protectins are important anti - inflammatory and pro - resolution compounds derived from the enzymatic oxidation of omega - 3 fatty acids all - cis - 5 , 8 , 11 , 14 , 17 - eicosapentaenoic acid ( EPA ) and all - cis - 4 , 7 , 10 , 13 , 16 , 19 - docosahexaenoic acid ( DHA ) .
 Resolvins, omega - 3 fatty acids, all - cis - 5 , 8 , 11 , 14 , 17 - eicosapentaenoic acid, EPA, all - cis - 4 , 7 , 10 , 13 , 16 , 19 - docosahexaenoic acid, DHA
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: Chemical 
Text: {0} 
Answer:
 Resolvins, omega - 3 fatty acids, all - cis - 5 , 8 , 11 , 14 , 17 - eicosapentaenoic acid, EPA, all - cis - 4 , 7 , 10 , 13 , 16 , 19 - docosahexaenoic acid, DHA