20244
Poly ( ADP - ribose ) polymerase - 1 ( PARP - 1 ) enzyme is involved in the repair of DNA damages made by certain anticancer agents .
 Chemical: Poly ( ADP - ribose )
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: Poly ( ADP - ribose )