16183
Danshen possesses lipid - soluble biologically active components with a structure similar to 17 beta - estrodiol ( E2 ) .
 Chemical: 17 beta - estrodiol
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: 17 beta - estrodiol