4420
Also , the methanol extract and the hexane fraction inhibited LPS - induced MAPKs and NF - kB activation associated with the inhibition of iNOS or COX - 2 expression .
 Chemical: methanol; Chemical: hexane
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: methanol; Chemical: hexane