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Cytotoxicity was studied in vitro on human cancer cell lines ( multiple myeloma , colorectal adenocarcinoma , glioblastoma and two lung cancer NSCLC - N6 and A549 ) .
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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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