16134
This study is aimed at delineating harmaline and 5 - MeO - DMT pharmacokinetic ( PK ) interactions at multiple dose levels , as well as the impact of CYP2D6 that affects harmaline PK and determines 5 - MeO - DMT O - demethylation to produce bufotenine .
 Chemical: harmaline; Chemical: 5 - MeO - DMT; Chemical: harmaline; Chemical: 5 - MeO - DMT; Chemical: O; Chemical: bufotenine
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: harmaline; Chemical: 5 - MeO - DMT; Chemical: harmaline; Chemical: 5 - MeO - DMT; Chemical: O; Chemical: bufotenine