11700
The analogs 2a and 2b have submicromolar IC ( 50 ) values towards human HCT - 116 colon cancer cells but are far less toxic to human non - malignant CRL - 1790 colon cells .
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Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
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