Task: Please determine if the compound with the SMILES O=C(NC(=S)N1CCc2ccccc21)c1ccccc1Br 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(NC(=S)N1CCc2ccccc21)c1ccccc1Br
O=C(NC(=S)N1CCc2ccccc21)c1ccccc1Br
2-bromo-N-(2,3-dihydroindole-1-carbothioyl)benzamide