12818
The mode of action of these antagonists ( e . g . , sulforaphane ) remains less clear .
 Chemical: sulforaphane
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
 Entities: sulforaphane 
Answer:
 Chemical: sulforaphane