Propose a compound that is not an inhibitor of factor XIa (FXIa) and report its SMILES.
Result: O=C1CCCN1C(=O)CCC(=O)N1CCCC1=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#}
1-(2-oxopyrrolidin-1-yl)-4-(2-oxopyrrolidin-1-yl)butane-1,4-dione