Task: Answer the following question about the molecule with SMILES Nc1ccn([C@@H]2CS[C@H](CO)O2)c(=O)n1.
Question: What is the definition of this compound's USAN stem?
Answer: antineoplastics; antivirals (zidovudine group) (exception: edoxudine)
Task: Answer the following question about the molecule with {SMILES__description} {SMILES#}.
{#Description|Question|Request!}: {quest#}
{#Result|Answer|Completion!}: {answ#}
Nc1ccn([C@@H]2CS[C@H](CO)O2)c(=O)n1
Nc1ccn([C@@H]2CS[C@H](CO)O2)c(=O)n1
4-amino-1-[(2R,5S)-2-(hydroxymethyl)-1,3-oxathiolan-5-yl]pyrimidin-2-one
What is the definition of this compound's USAN stem?