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However , dichloromethane extract proved the utmost antioxidant activity in cell ( WS1 ) based - assay ( IC50 = 57 mu g / ml ) and interesting anticancer capacity against human lung carcinoma ( A - 549 ) and colon adenocarcinoma ( DLD - 1 ) cells ( IC50 = 37 and 48 mu g / ml , respectively ) .
 Chemical: dichloromethane
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
 Chemical: dichloromethane