15026
Compounds 2a - c , 4f and 5a exhibited potent cytotoxicity ( IC ( 50 ) 1 . 3 - 2 . 0 micro M ) and selectivity against HT29 cancer cell line .
 None
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:  
Answer:
 None