13207
Compound 1a , a structure based on 3 - hydroxychromone bearing isothiazolidine - 1 , 1 - dione , was identified from chemical library as a highly potent GSK - 3 inhibitor .
 Chemical: 3 - hydroxychromone; Chemical: isothiazolidine - 1 , 1 - dione
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: 3 - hydroxychromone; Chemical: isothiazolidine - 1 , 1 - dione