Task: Answer the following question about the molecule with SMILES Cc1nccn1CCC(C(N)=O)(c1ccccc1)c1ccccc1.
Request: Which USAN substem can this drug or clinical candidate name be matched with?
Completion: -fenacin
Task: Answer the following question about the molecule with {SMILES__description} {SMILES#}.
{#Description|Question|Request!}: {quest#}
{#Result|Answer|Completion!}: {answ#}
Cc1nccn1CCC(C(N)=O)(c1ccccc1)c1ccccc1
Cc1nccn1CCC(C(N)=O)(c1ccccc1)c1ccccc1
4-(2-methylimidazol-1-yl)-2,2-diphenylbutanamide
Which USAN substem can this drug or clinical candidate name be matched with?