Task: Please determine if the compound with the SMILES O=C1CC(N2CCSCC2)C(=O)N1c1cccc(Br)c1 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=C1CC(N2CCSCC2)C(=O)N1c1cccc(Br)c1
O=C1CC(N2CCSCC2)C(=O)N1c1cccc(Br)c1
1-(3-bromophenyl)-3-thiomorpholin-4-ylpyrrolidine-2,5-dione