5755
Based on the previous result , several naringenin derivatives modified at position 7 with bulky substituents were designed and synthesized , and their inhibitory effects on HCT116 human colon cancer cells were tested using a clonogenic assay .
 Chemical: naringenin
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: naringenin