11276
The present work unravels the subtle role of minute structural change in altering the properties of LMWGs based on poly ( aryl ether ) dendrons .
 Chemical: poly ( aryl ether )
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: poly ( aryl ether )