7298
The first step was the selection of a suitable dataset of heterocyclic compounds that include chromones , coumarins , chalcones , thiazolylhydrazones , etc .
 Chemical: chromones; Chemical: coumarins; Chemical: chalcones; Chemical: thiazolylhydrazones
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: chromones; Chemical: coumarins; Chemical: chalcones; Chemical: thiazolylhydrazones