Task: Answer the following question about the molecule with SMILES C[As](C)SC[C@H](NC(=O)CC[C@H](N)C(=O)O)C(=O)NCC(=O)O.
Description: Which USAN substem can this drug or clinical candidate name be matched with?
Answer: -arsin
Task: Answer the following question about the molecule with {SMILES__description} {SMILES#}.
{#Description|Question|Request!}: {quest#}
{#Result|Answer|Completion!}: {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