15217
A novel class of quinoxalines has been discovered as antagonists of the IgG : FcRn protein - protein interaction through optimization of a hit derived from a virtual ligand - based screen .
 Chemical: quinoxalines
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: quinoxalines