13515
The major ZEN metabolites are alpha - zearalenol ( alpha - ZOL ) and beta - zearalenol ( beta - ZOL ) .
 Chemical: ZEN; Chemical: alpha - zearalenol; Chemical: alpha - ZOL; Chemical: beta - zearalenol; Chemical: beta - ZOL
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: ZEN; Chemical: alpha - zearalenol; Chemical: alpha - ZOL; Chemical: beta - zearalenol; Chemical: beta - ZOL