11050
Arundinone B ( 5 ) represents the first dimeric benzofuran - 3 ( 2H ) - one , showing cytotoxicity against T24 and A549 cells .
 Chemical: Arundinone B; Chemical: benzofuran - 3 ( 2H ) - one
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
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Answer:
 Chemical: Arundinone B; Chemical: benzofuran - 3 ( 2H ) - one