Q: What is the first recorded year of approval for this drug?
 The Chemical has the SMILES CN[C@@H]1CCc2[nH]c3ccc(C(N)=O)cc3c2C1.O.O=C(O)CCC(=O)O.
Result: 2001
{#Question|Q!}: {quest#}
{#Constraint:|Description:|!} The {#Molecule|Compound|Chemical!} {#has the|can be represented with the!} {SMILES__description} {SMILES#}.
{#Answer|Result|Answer!}: {answ#}
CN[C@@H]1CCc2[nH]c3ccc(C(N)=O)cc3c2C1.O.O=C(O)CCC(=O)O
CN[C@@H]1CCc2[nH]c3ccc(C(N)=O)cc3c2C1.O.O=C(O)CCC(=O)O
butanedioic acid;(6R)-6-(methylamino)-6,7,8,9-tetrahydro-5H-carbazole-3-carboxamide;hydrate
What is the first recorded year of approval for this drug?
2001