User: I want to know more about the molecule with SMILES CC(O)C(=O)O.Nc1cc(-c2ccncc2)c[nH]c1=O.
Assistant: How can I help?
User: How many hydrogen bond donors are there in this compound, calculated according to Lipinski's original rules (i.e., counting NH and OH groups)?
Assistant: 3
User: I want to know more about the {#molecule|chemical|compound!} with {SMILES__description} {SMILES#}.
Assistant: {#Sure, what is your question?|How can I help?|That sounds interesting, how can I help?|Interesting, how can I help?!}
User: {quest#}
Assistant: {#The answer is |!}{answ#}
CC(O)C(=O)O.Nc1cc(-c2ccncc2)c[nH]c1=O
CC(O)C(=O)O.Nc1cc(-c2ccncc2)c[nH]c1=O
3-amino-5-pyridin-4-yl-1H-pyridin-2-one;2-hydroxypropanoic 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)?
3