User: I want to know more about the chemical with SMILES Cl.O=c1[nH]cnc2c([C@@H]3N[C@H](CO)[C@@H](O)[C@H]3O)c[nH]c12.
Assistant: That sounds interesting, 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: The answer is 6
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#}
Cl.O=c1[nH]cnc2c([C@@H]3N[C@H](CO)[C@@H](O)[C@H]3O)c[nH]c12
Cl.O=c1[nH]cnc2c([C@@H]3N[C@H](CO)[C@@H](O)[C@H]3O)c[nH]c12
7-[(2S,3S,4R,5R)-3,4-dihydroxy-5-(hydroxymethyl)pyrrolidin-2-yl]-3,5-dihydropyrrolo[3,2-d]pyrimidin-4-one;hydrochloride
How many hydrogen bond donors are there in this compound, calculated according to Lipinski's original rules (i.e., counting NH and OH groups)?
6