Task: Please determine if the compound with the SMILES O=C(O)/C(=C1/OC(=O)c2ccccc21)c1ccccc1 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=C(O)/C(=C1/OC(=O)c2ccccc21)c1ccccc1
O=C(O)/C(=C1/OC(=O)c2ccccc21)c1ccccc1
(2E)-2-(3-oxo-2-benzofuran-1-ylidene)-2-phenylacetic acid