17049
A critical role in organismal homeostatic functions is played by the aryl hydrocarbon receptor ( AHR ) complex , which senses environmental and endogenous compounds , influences metabolic responses controlling phase I / II gene expression , and modulates vital phenomena such as development , inflammation and adaptive immunity .
 Chemical: aryl hydrocarbon
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: aryl hydrocarbon