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Using AG490 , previously shown to inhibit the STAT3 - and NF - IL6 - signaling pathway , we therefore investigated the central involvement of these two signaling pathways in mediating sickness behavior , fever and accompanying brain inflammation induced by peripheral lipopolysaccharide ( LPS ) - stimulation .
 Chemical: AG490
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: AG490