4284
Toxicities at higher doses restrict the neuroporotective ability of [ - ] - Hup A for treatment .
 Chemical: [ - ] - Hup A
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: [ - ] - Hup A