User: I have a question about the molecule with SMILES CCCCC1C(=O)N(c2ccccc2)N(c2ccc(O)cc2)C1=O.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: 1
User: I have a question 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#}
CCCCC1C(=O)N(c2ccccc2)N(c2ccc(O)cc2)C1=O.O
CCCCC1C(=O)N(c2ccccc2)N(c2ccc(O)cc2)C1=O.O
4-butyl-1-(4-hydroxyphenyl)-2-phenylpyrazolidine-3,5-dione;hydrate
How many hydrogen bond donors are there in this compound, calculated according to Lipinski's original rules (i.e., counting NH and OH groups)?
1