569
Compound 1 showed cytotoxicity against human mammary carcinoma ( Bcap - 37 ) , human colon carcinoma ( RKO ) , human hepatocellular carcinoma ( SMMC - 7721 ) , human prostate carcinoma ( PC3 ) and human erythroleukaemia ( K562 ) 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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