Task: Please predict if the compound with the SMILES O=C1/C(=C\c2ccccc2)CCc2c1[nH]c1ccccc21 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=C1/C(=C\c2ccccc2)CCc2c1[nH]c1ccccc21
O=C1/C(=C\c2ccccc2)CCc2c1[nH]c1ccccc21
(2Z)-2-benzylidene-4,9-dihydro-3H-carbazol-1-one