User: I want to know more about the compound with SMILES CCN1CCN(c2cc(-c3ccc(F)cc3)c3c(n2)CCCCCC3)CC1.
Assistant: Sure, what is your question?
User: What is the definition of this compound's USAN stem?
Assistant: The answer is serotonin 5-HT2 receptor antagonists
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#}
CCN1CCN(c2cc(-c3ccc(F)cc3)c3c(n2)CCCCCC3)CC1
CCN1CCN(c2cc(-c3ccc(F)cc3)c3c(n2)CCCCCC3)CC1
2-(4-ethylpiperazin-1-yl)-4-(4-fluorophenyl)-5,6,7,8,9,10-hexahydrocycloocta[b]pyridine
What is the definition of this compound's USAN stem?
serotonin 5-HT2 receptor antagonists