13424
Geranylgeranylacetone ( GGA ) is an acyclic polyisoprenoid that induces expression of heat shock protein ( HSP ) 70 , a soluble intracellular chaperone protein expressed in various tissues , protecting cells against stress conditions .
 Chemical: Geranylgeranylacetone; Chemical: GGA; Chemical: acyclic polyisoprenoid
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: Geranylgeranylacetone; Chemical: GGA; Chemical: acyclic polyisoprenoid