Task: Please answer the following question about the molecule with SMILES CC(=O)OCC[N+](C)(C)C.[Cl-].
Request: What is the first recorded year of approval for this drug?
Result: 1973
Task: Please answer the following question about the molecule with {SMILES__description} {SMILES#}.
{#Description|Question|Request!}: {quest#}
{#Result|Answer|Completion!}: {answ#}
CC(=O)OCC[N+](C)(C)C.[Cl-]
CC(=O)OCC[N+](C)(C)C.[Cl-]
2-acetyloxyethyl(trimethyl)azanium;chloride
What is the first recorded year of approval for this drug?
1973