22890
From the cytoprotective compounds eleven proved to possess antioxidant activity ( ABTS radical scavenger effect ) and two were found to inhibit poly ( ADP - ribosyl ) ation ( PARylation ) , a cytotoxic pathway operating in severely injured cells .
 Chemical: ABTS; Chemical: poly ( ADP - ribosyl )
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: ABTS; Chemical: poly ( ADP - ribosyl )