User: I have a question about the compound with SMILES Cl.c1ccc2c(c1)CCCC2C1=NCCN1.
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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#}.
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User: {quest#}
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Cl.c1ccc2c(c1)CCCC2C1=NCCN1
Cl.c1ccc2c(c1)CCCC2C1=NCCN1
2-(1,2,3,4-tetrahydronaphthalen-1-yl)-4,5-dihydro-1H-imidazole;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)?