Task: Please answer the following question about the molecule with SMILES C[C@@H]1CCCN1CCCOc1ccc(-c2ccc(=O)[nH]n2)cc1.
Question: What is the definition of this compound's USAN stem?
Completion: histamine H3 receptor antagonists
Task: Please answer the following question about the molecule with {SMILES__description} {SMILES#}.
{#Description|Question|Request!}: {quest#}
{#Result|Answer|Completion!}: {answ#}
C[C@@H]1CCCN1CCCOc1ccc(-c2ccc(=O)[nH]n2)cc1
C[C@@H]1CCCN1CCCOc1ccc(-c2ccc(=O)[nH]n2)cc1
3-[4-[3-[(2R)-2-methylpyrrolidin-1-yl]propoxy]phenyl]-1H-pyridazin-6-one
What is the definition of this compound's USAN stem?