Q: What is the first recorded year of approval for this drug?
Description: The Chemical has the SMILES CC(=O)[N-]S(=O)(=O)c1ccc(N)cc1.O.[Na+].
Answer: 1961
{#Question|Q!}: {quest#}
{#Constraint:|Description:|!} The {#Molecule|Compound|Chemical!} {#has the|can be represented with the!} {SMILES__description} {SMILES#}.
{#Answer|Result|Answer!}: {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?