Task: Please estimate if the compound with the SMILES O=C(Cn1c(C(F)(F)F)nc2ccccc21)c1ccc(Cl)cc1 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}
1-(4-chlorophenyl)-2-[2-(trifluoromethyl)benzimidazol-1-yl]ethanone