Task: Please determine if the compound with the SMILES O=S1(=O)N=C(N/N=C/c2ccc(Br)o2)c2ccccc21 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=S1(=O)N=C(N/N=C/c2ccc(Br)o2)c2ccccc21
O=S1(=O)N=C(N/N=C/c2ccc(Br)o2)c2ccccc21
N-[(E)-(5-bromofuran-2-yl)methylideneamino]-1,1-dioxo-1,2-benzothiazol-3-amine