Q: What is the definition of this compound's USAN stem?
 The Molecule can be represented with the SMILES CCCc1cc(=O)[nH]c(=S)[nH]1.
Answer: uracil type antineoplastics; uracil derivatives used as thyroid antagonists and as antineoplastics
{#Question|Q!}: {quest#}
{#Constraint:|Description:|!} The {#Molecule|Compound|Chemical!} {#has the|can be represented with the!} {SMILES__description} {SMILES#}.
{#Answer|Result|Answer!}: {answ#}
CCCc1cc(=O)[nH]c(=S)[nH]1
CCCc1cc(=O)[nH]c(=S)[nH]1
6-propyl-2-sulfanylidene-1H-pyrimidin-4-one
What is the definition of this compound's USAN stem?