Task: Answer the following question about the molecule with SMILES NCCCNCCSP(=O)(O)O.
Description: How many hydrogen bond acceptors are there in this compound, calculated according to Lipinski's original rules (i.e., counting N and O atoms)?
Completion: 5
Task: Answer the following question about the molecule with {SMILES__description} {SMILES#}.
{#Description|Question|Request!}: {quest#}
{#Result|Answer|Completion!}: {answ#}
NCCCNCCSP(=O)(O)O
NCCCNCCSP(=O)(O)O
2-(3-aminopropylamino)ethylsulfanylphosphonicacid
How many hydrogen bond acceptors are there in this compound, calculated according to Lipinski's original rules (i.e., counting N and O atoms)?