Task: Please answer the following question about the molecule with SMILES C[N+](C)(C)CC(=O)O.
Request: What is the first recorded year of approval for this drug?
Result: 1996
Task: Please answer the following question about the molecule with {SMILES__description} {SMILES#}.
{#Description|Question|Request!}: {quest#}
{#Result|Answer|Completion!}: {answ#}
C[N+](C)(C)CC(=O)O
C[N+](C)(C)CC(=O)O
(2-hydroxy-2-oxoethyl)-trimethylazanium
What is the first recorded year of approval for this drug?
1996