Design a molecule that is not an inhibitor of factor XIa (FXIa) and report its SMILES.
Result: S=C1NCCN1
{#Create|Generate|Propose|Suggest|Design|Invent!} a {#molecule|compound!} that is {MUV-846#not &NULL}{MUV-846__names__noun} and report its {SMILES__description}.
Result: {SMILES#}
S=C1NCCN1
S=C1NCCN1
imidazolidine-2-thione