Task: Please estimate if the molecule with the SMILES O=C1OC(c2ccccc2)=C/C1=C/c1cccs1 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}
(3Z)-5-phenyl-3-(thiophen-2-ylmethylidene)furan-2-one