Question: Which USAN substem can this drug or clinical candidate name be matched with?
 The Compound has the SMILES C[As](C)SC[C@H](NC(=O)CC[C@H](N)C(=O)O)C(=O)NCC(=O)O.
Answer: -arsin
{#Question|Q!}: {quest#}
{#Constraint:|Description:|!} The {#Molecule|Compound|Chemical!} {#has the|can be represented with the!} {SMILES__description} {SMILES#}.
{#Answer|Result|Answer!}: {answ#}
C[As](C)SC[C@H](NC(=O)CC[C@H](N)C(=O)O)C(=O)NCC(=O)O
C[As](C)SC[C@H](NC(=O)CC[C@H](N)C(=O)O)C(=O)NCC(=O)O
(2S)-2-amino-5-[[(2R)-1-(carboxymethylamino)-3-dimethylarsanylsulfanyl-1-oxopropan-2-yl]amino]-5-oxopentanoic acid
Which USAN substem can this drug or clinical candidate name be matched with?
-arsin