5259
Variants of human paraoxonase 1 ( PON1 ) are being developed as catalytic bioscavengers for the organophosphorus chemical warfare agents ( OP ) .
 Chemical: organophosphorus
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: organophosphorus