User: I want to know more about the chemical with SMILES CCCCCCCCCCCCCCCC[n+]1ccccc1.
Assistant: Interesting, how can I help?
User: What is the definition of this compound's USAN stem?
Assistant: quaternary ammonium derivatives
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#}
CCCCCCCCCCCCCCCC[n+]1ccccc1
CCCCCCCCCCCCCCCC[n+]1ccccc1
1-hexadecylpyridin-1-ium
What is the definition of this compound's USAN stem?