2341
The recreational and illicit use of amphetaminic designer compounds , specially 3 , 4 - methylenedioxymethamphetamine ( MDMA ; Ecstasy ) , is of concern worldwide .
 Chemical: 3 , 4 - methylenedioxymethamphetamine; Chemical: MDMA; Chemical: Ecstasy
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: 3 , 4 - methylenedioxymethamphetamine; Chemical: MDMA; Chemical: Ecstasy