Question: How many hydrogen bond acceptors are there in this compound, calculated according to Lipinski's original rules (i.e., counting N and O atoms)?
 The Chemical can be represented with the SMILES CCCCN1C[C@H](O)[C@@H](O)[C@H](O)[C@H]1CO.
Answer: 5
{#Question|Q!}: {quest#}
{#Constraint:|Description:|!} The {#Molecule|Compound|Chemical!} {#has the|can be represented with the!} {SMILES__description} {SMILES#}.
{#Answer|Result|Answer!}: {answ#}
CCCCN1C[C@H](O)[C@@H](O)[C@H](O)[C@H]1CO
CCCCN1C[C@H](O)[C@@H](O)[C@H](O)[C@H]1CO
(2R,3R,4R,5S)-1-butyl-2-(hydroxymethyl)piperidine-3,4,5-triol
How many hydrogen bond acceptors are there in this compound, calculated according to Lipinski's original rules (i.e., counting N and O atoms)?
5