User: I want to know more about the molecule with SMILES CCc1oc2ccccc2c1C(=O)c1cc(Br)c(O)c(Br)c1.
Assistant: Interesting, how can I help?
User: What is the definition of this compound's USAN stem?
Assistant: antiarrhythmics
User: I want to know more about the {#molecule|chemical|compound!} with {SMILES__description} {SMILES#}.
Assistant: {#Sure, what is your question?|How can I help?|That sounds interesting, how can I help?|Interesting, how can I help?!}
User: {quest#}
Assistant: {#The answer is |!}{answ#}
CCc1oc2ccccc2c1C(=O)c1cc(Br)c(O)c(Br)c1
CCc1oc2ccccc2c1C(=O)c1cc(Br)c(O)c(Br)c1
(3,5-dibromo-4-hydroxyphenyl)-(2-ethyl-1-benzofuran-3-yl)methanone
What is the definition of this compound's USAN stem?