Task: Answer the following question about the molecule with SMILES C[C@H](CS)C(=O)N1CCC[C@H]1C(=O)O.
Description: What is the first recorded year of approval for this drug?
Answer: 1981
Task: Answer the following question about the molecule with {SMILES__description} {SMILES#}.
{#Description|Question|Request!}: {quest#}
{#Result|Answer|Completion!}: {answ#}
C[C@H](CS)C(=O)N1CCC[C@H]1C(=O)O
C[C@H](CS)C(=O)N1CCC[C@H]1C(=O)O
(2S)-1-[(2S)-2-methyl-3-sulfanylpropanoyl]pyrrolidine-2-carboxylic acid
What is the first recorded year of approval for this drug?
1981