Task: Answer the following question about the molecule with SMILES O[C@@H]([C@H](O)[C@H](O)CBr)[C@H](O)CBr.
Question: What is the molecular weight of this compound's parent molecule?
Completion: 307.97
Task: Answer the following question about the molecule with {SMILES__description} {SMILES#}.
{#Description|Question|Request!}: {quest#}
{#Result|Answer|Completion!}: {answ#}
O[C@@H]([C@H](O)[C@H](O)CBr)[C@H](O)CBr
O[C@@H]([C@H](O)[C@H](O)CBr)[C@H](O)CBr
(2S,3S,4S,5S)-1,6-dibromohexane-2,3,4,5-tetrol
What is the molecular weight of this compound's parent molecule?