16344
This regulation of IL - 6 by environmental PAHs , that is dependent of inflammatory cytokine microenvironment , may contribute to the well - known carcinogenic properties of these organic pollutants .
 Chemical: PAHs
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: PAHs