Task: Please answer the following question about the molecule with SMILES O=C(O)C(S)C(S)C(=O)O.
Request: Please describe this drug.
Completion: A mercaptodicarboxylic acid used as an antidote to heavy metal poisoning because it forms strong chelates with them.
Task: Please answer the following question about the molecule with {SMILES__description} {SMILES#}.
{#Description|Question|Request!}: {quest#}
{#Result|Answer|Completion!}: {answ#}
O=C(O)C(S)C(S)C(=O)O
C(C(C(=O)O)S)(C(=O)O)S
2,3-bis(sulfanyl)butanedioicacid
Please describe this drug.
A mercaptodicarboxylic acid used as an antidote to heavy metal poisoning because it forms strong chelates with them.