20246
In this study , we conducted virtual screening of Korea Chemical Bank database targeting PARP - 1 and identified several potent PARP - 1 inhibitors with submicromolar IC50 values ( 77 - 79nM ) .
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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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