14208
MDMA decreased tissue levels of 5 - HT and the accumulation of 5 - HTP , but these effects were not reflected in the changes in autoreceptor sensitivity .
 Chemical: MDMA; Chemical: 5 - HT; Chemical: 5 - HTP
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: MDMA; Chemical: 5 - HT; Chemical: 5 - HTP