10897
The current U . S . military and civilian oxime countermeasure , 2 - [ ( hydroxyimino ) methyl ] - 1 - methylpyridin - 1 - ium chloride ( 2 - PAM ) , is under consideration for replacement with a more effective acetylcholinesterase reactivator , 1 , 1 ' - methylenebis { 4 - hydroxyiminomethyl } pyridinium dimethanesulfonate ( MMB - 4 ) .
 Chemical: oxime; Chemical: 2 - [ ( hydroxyimino ) methyl ] - 1 - methylpyridin - 1 - ium chloride; Chemical: 2 - PAM; Chemical: 1 , 1 ' - methylenebis { 4 - hydroxyiminomethyl } pyridinium dimethanesulfonate; Chemical: MMB - 4
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: oxime; Chemical: 2 - [ ( hydroxyimino ) methyl ] - 1 - methylpyridin - 1 - ium chloride; Chemical: 2 - PAM; Chemical: 1 , 1 ' - methylenebis { 4 - hydroxyiminomethyl } pyridinium dimethanesulfonate; Chemical: MMB - 4