Task: Please predict if the compound with the SMILES S=c1nc(-c2ccccc2Br)[nH][nH]1 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}
S=c1nc(-c2ccccc2Br)[nH][nH]1
S=c1nc(-c2ccccc2Br)[nH][nH]1
5-(2-bromophenyl)-1,2-dihydro-1,2,4-triazole-3-thione