Design a molecule that is not an inhibitor of factor XIa (FXIa) and report its SMILES.
Result: S=c1nc[nH]c2c1[nH]c1ccccc12
{#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=c1nc[nH]c2c1[nH]c1ccccc12
S=c1nc[nH]c2c1[nH]c1ccccc12
1,5-dihydropyrimido[5,4-b]indole-4-thione