Task: Please estimate if the molecule with the SMILES CC(=O)C(Cc1ccccc1)NC(=O)CN1CCN(Cc2ccccc2)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}
2-(4-benzylpiperazin-1-yl)-N-(3-oxo-1-phenylbutan-2-yl)acetamide