Task: Please determine if the molecule with the SMILES O=C(Nn1cnnc1)c1ccc(Br)s1 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=C(Nn1cnnc1)c1ccc(Br)s1
O=C(Nn1cnnc1)c1ccc(Br)s1
5-bromo-N-(1,2,4-triazol-4-yl)thiophene-2-carboxamide