Task: Please predict if the molecule with the SMILES CN1CCN(C(=S)c2cn(Cc3ccc(Br)cc3)c3ccccc23)CC1 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}
[1-[(4-bromophenyl)methyl]indol-3-yl]-(4-methylpiperazin-1-yl)methanethione