User: I have a question about the chemical with SMILES CCCCNC(=O)[N-]S(=O)(=O)c1ccc(C)cc1.[Na+].
Assistant: How can I help?
User: What is the first recorded year of approval for this drug?
Assistant: 1961
User: I have a question 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#}
CCCCNC(=O)[N-]S(=O)(=O)c1ccc(C)cc1.[Na+]
CCCCNC(=O)[N-]S(=O)(=O)c1ccc(C)cc1.[Na+]
sodium;butylcarbamoyl-(4-methylphenyl)sulfonylazanide
What is the first recorded year of approval for this drug?