Task: Please create a description for a molecule.
SMILES: Nc1nc2cnncc2[nH]1
Constraint: Answer the question with full sentences.
Result: The molecule is a organonitrogen heterocyclic compound that is 1H-imidazo[4,5-d]pyridazine substituted by an amino group at position 2. A guanidine alkaloid isolated from Anchinoe paupertas, it exhibits cytotoxic activity against human and murine tumor cell lines. It has a role as a metabolite and an antineoplastic agent. It is a member of guanidines, an alkaloid and an organonitrogen heterocyclic compound.
Task: Please create a {#text |!}description for a molecule{# based on its representation|!}.
{#Molecule |!}{SMILES__description}: {SMILES#}
Constraint: Answer the question with {#full|complete!} sentences.
Result: {description#}
1H-imidazo[4,5-d]pyridazin-2-amine
The molecule is a organonitrogen heterocyclic compound that is 1H-imidazo[4,5-d]pyridazine substituted by an amino group at position 2. A guanidine alkaloid isolated from Anchinoe paupertas, it exhibits cytotoxic activity against human and murine tumor cell lines. It has a role as a metabolite and an antineoplastic agent. It is a member of guanidines, an alkaloid and an organonitrogen heterocyclic compound.