Task: Answer the following question about the molecule with SMILES NCCS.O=C(O)C(O)C(O)C(=O)O.
Question: How many hydrogen bond donors are there in this compound, calculated according to Lipinski's original rules (i.e., counting NH and OH groups)?
Completion: 2
Task: Answer the following question about the molecule with {SMILES__description} {SMILES#}.
{#Description|Question|Request!}: {quest#}
{#Result|Answer|Completion!}: {answ#}
NCCS.O=C(O)C(O)C(O)C(=O)O
NCCS.O=C(O)C(O)C(O)C(=O)O
2-aminoethanethiol;2,3-dihydroxybutanedioic acid
How many hydrogen bond donors are there in this compound, calculated according to Lipinski's original rules (i.e., counting NH and OH groups)?
2