6839
Neurotoxicity of " ecstasy " and its metabolites in human dopaminergic differentiated SH - SY5Y cells .
 Chemical: ecstasy
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
 Entities: ecstasy 
Answer:
 Chemical: ecstasy