Question: Determine if this drug is administered as a racemic mixture, a single stereoisomer, an achiral molecule, or has an unknown chirality.
Constraint: The Compound has the SMILES Nc1nc(N)c2nc(-c3ccccc3)c(N)nc2n1.
Answer: An achiral molecule
{#Question|Q!}: {quest#}
{#Constraint:|Description:|!} The {#Molecule|Compound|Chemical!} {#has the|can be represented with the!} {SMILES__description} {SMILES#}.
{#Answer|Result|Answer!}: {answ#}
Nc1nc(N)c2nc(-c3ccccc3)c(N)nc2n1
Nc1nc(N)c2nc(-c3ccccc3)c(N)nc2n1
6-phenylpteridine-2,4,7-triamine
Determine if this drug is administered as a racemic mixture, a single stereoisomer, an achiral molecule, or has an unknown chirality.