Task: Please answer the following question about the molecule with SMILES O[C@@H]([C@H](O)[C@H](O)CBr)[C@H](O)CBr.
Request: How many hydrogen bond donors are there in this compound, calculated according to Lipinski's original rules (i.e., counting NH and OH groups)?
Answer: 4
Task: Please 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
How many hydrogen bond donors are there in this compound, calculated according to Lipinski's original rules (i.e., counting NH and OH groups)?
4