User: I have a 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.
Assistant: How can I help?
User: Which USAN substem can this drug or clinical candidate name be matched with?
Assistant: The answer is -arsin
User: I have a question about the {#molecule|chemical|compound!} with {SMILES__description} {SMILES#}.
Assistant: {#Sure, what is your question?|How can I help?|That sounds interesting, how can I help?|Interesting, how can I help?!}
User: {quest#}
Assistant: {#The answer is |!}{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