Invent a compound that is not an inhibitor of factor XIa (FXIa) and report its SMILES.
Result: CCOn1c(=O)c(-c2cccc([N+](=O)[O-])c2)[n+]([O-])c2ccccc21
{#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#}
CCOn1c(=O)c(-c2cccc([N+](=O)[O-])c2)[n+]([O-])c2ccccc21
CCOn1c(=O)c(-c2cccc([N+](=O)[O-])c2)[n+]([O-])c2ccccc21
1-ethoxy-3-(3-nitrophenyl)-4-oxidoquinoxalin-4-ium-2-one