6842
This work studied the neurotoxicity of MDMA and its catechol metabolites , alpha - methyldopamine ( alpha - MeDA ) and N - methyl - alpha - methyldopamine ( N - Me - alpha - MeDA ) in human dopaminergic SH - SY5Y cells differentiated with retinoic acid and 12 - O - tetradecanoyl - phorbol - 13 - acetate .
 Chemical: MDMA; Chemical: catechol; Chemical: alpha - methyldopamine; Chemical: alpha - MeDA; Chemical: N - methyl - alpha - methyldopamine; Chemical: N - Me - alpha - MeDA; Chemical: retinoic acid; Chemical: 12 - O - tetradecanoyl - phorbol - 13 - acetate
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: MDMA, catechol, alpha - methyldopamine, alpha - MeDA, N - methyl - alpha - methyldopamine, N - Me - alpha - MeDA, retinoic acid, 12 - O - tetradecanoyl - phorbol - 13 - acetate 
Answer:
 Chemical: MDMA; Chemical: catechol; Chemical: alpha - methyldopamine; Chemical: alpha - MeDA; Chemical: N - methyl - alpha - methyldopamine; Chemical: N - Me - alpha - MeDA; Chemical: retinoic acid; Chemical: 12 - O - tetradecanoyl - phorbol - 13 - acetate