Q: Which USAN substem can this drug or clinical candidate name be matched with?
Constraint: The Molecule has the SMILES O=C(Nc1ccc(-c2nnn[nH]2)cc1)c1ccc(-c2nnn[nH]2)cc1.
Result: -ast
{#Question|Q!}: {quest#}
{#Constraint:|Description:|!} The {#Molecule|Compound|Chemical!} {#has the|can be represented with the!} {SMILES__description} {SMILES#}.
{#Answer|Result|Answer!}: {answ#}
O=C(Nc1ccc(-c2nnn[nH]2)cc1)c1ccc(-c2nnn[nH]2)cc1
O=C(Nc1ccc(-c2nnn[nH]2)cc1)c1ccc(-c2nnn[nH]2)cc1
4-(1H-1,2,3,4-tetrazol-5-yl)-N-[4-(1H-1,2,3,4-tetrazol-5-yl)phenyl]benzamide
Which USAN substem can this drug or clinical candidate name be matched with?