Task: Please answer the following question about the molecule with SMILES O=C(O)[C@@H](S)[C@@H](S)C(=O)O.
Description: How many rotatable bonds does this compound have?
Completion: 3
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@@H](S)[C@@H](S)C(=O)O
O=C(O)[C@@H](S)[C@@H](S)C(=O)O
(2R,3S)-2,3-bis(sulfanyl)butanedioicacid
How many rotatable bonds does this compound have?
3