Task: Please answer the following question about the molecule with SMILES CCCCCCCCCCCCCCCCOCCCOP(=O)(O)CO[C@H](CO)Cn1ccc(N)nc1=O.
Question: What is the first recorded year of approval for this drug?
Answer: 2021
Task: Please answer the following question about the molecule with {SMILES__description} {SMILES#}.
{#Description|Question|Request!}: {quest#}
{#Result|Answer|Completion!}: {answ#}
CCCCCCCCCCCCCCCCOCCCOP(=O)(O)CO[C@H](CO)Cn1ccc(N)nc1=O
CCCCCCCCCCCCCCCCOCCCOP(=O)(O)CO[C@H](CO)Cn1ccc(N)nc1=O
1-[(2S)-2-[[3-hexadecoxypropoxy(hydroxy)phosphoryl]methoxy]-3-hydroxypropyl]-2-oxopyrimidin-4-amine
What is the first recorded year of approval for this drug?
2021