Generate a molecule that is not an inhibitor of factor XIa (FXIa) and report its SMILES.
Result: CCN1C(=O)N(CC)C2C1N(C(C)=O)C(=O)N2C(C)=O
{#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#}
CCN1C(=O)N(CC)C2C1N(C(C)=O)C(=O)N2C(C)=O
CCN1C(=O)N(CC)C2C1N(C(C)=O)C(=O)N2C(C)=O
4,6-diacetyl-1,3-diethyl-3a,6a-dihydroimidazo[4,5-d]imidazole-2,5-dione