Q: Which USAN substem can this drug or clinical candidate name be matched with?
 The Chemical has the SMILES CCCc1cc(=O)[nH]c(=S)[nH]1.
Answer: -racil; -uracil
{#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
Which USAN substem can this drug or clinical candidate name be matched with?
-racil; -uracil