Task: Please determine if the molecule with the SMILES O=C1CCCC2=C1C(Cc1ccccc1)C1=C(CCCC1=O)O2 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=C1CCCC2=C1C(Cc1ccccc1)C1=C(CCCC1=O)O2
O=C1CCCC2=C1C(Cc1ccccc1)C1=C(CCCC1=O)O2
9-benzyl-3,4,5,6,7,9-hexahydro-2H-xanthene-1,8-dione