25193
Compounds 1 , 7 , and 9 were cytotoxic to A549 , compounds 1 , 2 , 7 , 9 , 12 , and 14 to MCF - 7 , and compounds 7 , 9 , and 14 to HeLa cells , with IC50 values ranging from 7 . 17 to 29 . 57 mu g / ml , while the others were inactive ( IC50 > 50 mu g / ml ) .
 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