Task: Please predict if the compound with the SMILES O=C(CCCC(=O)OCC(Cl)=C(Cl)Cl)Nc1cccc(F)c1 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}
2,3,3-trichloroprop-2-enyl 5-(3-fluoroanilino)-5-oxopentanoate