5388
These compounds were evaluated in vitro for their cytotoxic effects on human cancer cell lines HepG2 , HLE , BEL7402 , BEL7403 , BEL7405 , MCF - 7 , and HeLa .
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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:
 None