16223
We have previously reported that a chemically synthesized kavalactone derivative , 2 ' , 6 ' - dichloro - 5 - methoxymethyl - 5 , 6 - dehydrokawain ( compound 1 ) protects against oxidative stress - induced neuronal cell death through activation of Nrf2 signaling .
 Chemical: kavalactone; Chemical: 2 ' , 6 ' - dichloro - 5 - methoxymethyl - 5 , 6 - dehydrokawain
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: kavalactone; Chemical: 2 ' , 6 ' - dichloro - 5 - methoxymethyl - 5 , 6 - dehydrokawain