Task: Answer the following question about the molecule with SMILES O=C(O)[C@@H](S)[C@@H](S)C(=O)O.
Request: How many heavy (non-hydrogen) atoms does this compound have?
Answer: 10
Task: 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 heavy (non-hydrogen) atoms does this compound have?
10