1482
Although 3 , 4 - methylenedioxymethamphetamine ( MDMA or ecstasy ) has been shown to damage brain serotonin ( 5 - HT ) neurons in animals and possibly humans , little is known about the long - term consequences of MDMA - induced 5 - HT neurotoxic lesions on functions in which 5 - HT is involved , such as cognitive function .
 Chemical: 3 , 4 - methylenedioxymethamphetamine; Chemical: MDMA; Chemical: ecstasy; Chemical: serotonin; Chemical: 5 - HT; Chemical: MDMA; Chemical: 5 - HT; Disease: neurotoxic lesions; Chemical: 5 - HT
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Disease, Chemical 
Text: {0} 
Answer:
 Chemical: 3 , 4 - methylenedioxymethamphetamine; Chemical: MDMA; Chemical: ecstasy; Chemical: serotonin; Chemical: 5 - HT; Chemical: MDMA; Chemical: 5 - HT; Disease: neurotoxic lesions; Chemical: 5 - HT