26000
Our results are consistent with the hypothesis that the high genotoxic activity of DB [ a , l ] P is related to the formation of NER - resistant and persistent DB [ a , l ] P - derived adenine adducts in cellular DNA .
 Chemical: DB [ a , l ] P; Chemical: DB [ a , l ] P; Chemical: adenine
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: DB [ a , l ] P; Chemical: DB [ a , l ] P; Chemical: adenine