16891
In the modified test , earthworms had greatly inhibited AChE activity ( 0 . 088 +/- 0 . 034 U / mg protein , n = 72 ) , which was supported by reactivation of the inhibited enzyme activity in the presence of pralidoxime ( 2 - PAM ) .
 Chemical: pralidoxime; Chemical: 2 - PAM
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: pralidoxime; Chemical: 2 - PAM