17077
Aryl sulfonamide antagonists bind to CCR4 at an intracellular allosteric site denoted site II .
 Chemical: Aryl sulfonamide
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 sulfonamide