13521
Antioxidative enzyme or compounds such as catalase , acteoside , and ( E ) - 1 - ( 3 , 4 - dihydroxyphenethyl ) - 3 - ( 4 - hydroxystyryl ) urea suppressed the ZEN metabolite - mediated reduction of cell viability .
 Chemical: acteoside; Chemical: ( E ) - 1 - ( 3 , 4 - dihydroxyphenethyl ) - 3 - ( 4 - hydroxystyryl ) urea; Chemical: ZEN
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: acteoside; Chemical: ( E ) - 1 - ( 3 , 4 - dihydroxyphenethyl ) - 3 - ( 4 - hydroxystyryl ) urea; Chemical: ZEN