Design a molecule that is not an inhibitor of factor XIa (FXIa) and report its SMILES.
Result: O=C1c2oc3ccc(Br)cc3c(=O)c2C(c2cccc(F)c2)N1CCO
{#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#}
O=C1c2oc3ccc(Br)cc3c(=O)c2C(c2cccc(F)c2)N1CCO
O=C1c2oc3ccc(Br)cc3c(=O)c2C(c2cccc(F)c2)N1CCO
7-bromo-1-(3-fluorophenyl)-2-(2-hydroxyethyl)-1H-chromeno[2,3-c]pyrrole-3,9-dione