User: I have a question about the compound with SMILES CC(=O)[N-]S(=O)(=O)c1ccc(N)cc1.O.[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#}
CC(=O)[N-]S(=O)(=O)c1ccc(N)cc1.O.[Na+]
CC(=O)[N-]S(=O)(=O)c1ccc(N)cc1.O.[Na+]
sodium;acetyl-(4-aminophenyl)sulfonylazanide;hydrate
What is the first recorded year of approval for this drug?