Task: Please answer the following question about the molecule with SMILES CCn1nc(C(=O)O)c(=O)c2cc3c(cc21)OCO3.
Question: What is the first recorded year of approval for this drug?
Completion: 1980
Task: Please answer the following question about the molecule with {SMILES__description} {SMILES#}.
{#Description|Question|Request!}: {quest#}
{#Result|Answer|Completion!}: {answ#}
CCn1nc(C(=O)O)c(=O)c2cc3c(cc21)OCO3
CCn1nc(C(=O)O)c(=O)c2cc3c(cc21)OCO3
1-ethyl-4-oxo-[1,3]dioxolo[4,5-g]cinnoline-3-carboxylic acid
What is the first recorded year of approval for this drug?
1980