20758
A series of benzo [ de ] [ 1 , 7 ] naphthyridin - 7 ( 8H ) - ones possessing a functionalized long - chain appendage have been designed and evaluated as novel PARP1 inhibitors .
 Chemical: benzo [ de ] [ 1 , 7 ] naphthyridin - 7 ( 8H ) - ones
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: benzo [ de ] [ 1 , 7 ] naphthyridin - 7 ( 8H ) - ones