Task: Please determine if the molecule with the SMILES O=c1c(Br)c(NCc2ccccc2)cnn1-c1ccc(F)cc1 is an inhibitor of factor XIa (FXIa).
Result: no
Task: Please {#determine|predict|estimate!} if the {#molecule|compound!} with the {SMILES__description} {SMILES#} is {MUV-846__names__noun}.
Result: {MUV-846#no&yes}
O=c1c(Br)c(NCc2ccccc2)cnn1-c1ccc(F)cc1
O=c1c(Br)c(NCc2ccccc2)cnn1-c1ccc(F)cc1
5-(benzylamino)-4-bromo-2-(4-fluorophenyl)pyridazin-3-one