Task: Please predict if the compound with the SMILES O=C(CCCc1nc2ccccc2s1)N1CCN(c2ccccc2)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}
4-(1,3-benzothiazol-2-yl)-1-(4-phenylpiperazin-1-yl)butan-1-one