4721
Based on molecular docking analysis of complexes between flavone and the c - myc G - quadruplex , we designed and screened 30 flavone derivatives containing various side chains that could potentially form interactions with the G - quadruplex grooves .
 Chemical: flavone; Chemical: flavone
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: flavone, flavone 
Answer:
 Chemical: flavone; Chemical: flavone