User: I want to know more about the chemical with SMILES NS(=O)(=O)c1cc(C(=O)O)c(NCc2ccco2)cc1Cl.
Assistant: How can I help?
User: What is the first recorded year of approval for this drug?
Assistant: 1966
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#}
NS(=O)(=O)c1cc(C(=O)O)c(NCc2ccco2)cc1Cl
NS(=O)(=O)c1cc(C(=O)O)c(NCc2ccco2)cc1Cl
4-chloro-2-(furan-2-ylmethylamino)-5-sulfamoylbenzoicacid
What is the first recorded year of approval for this drug?