20757
Design , Synthesis , and Biological Evaluation of a Series of Benzo [ de ] [ 1 , 7 ] naphthyridin - 7 ( 8H ) - ones Bearing a Functionalized Longer Chain Appendage 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 
Text: {0} 
Answer:
 Chemical: Benzo [ de ] [ 1 , 7 ] naphthyridin - 7 ( 8H ) - ones