Task: Please determine if the molecule with the SMILES O=C(Nc1cccs1)Nc1ccc(F)cc1F 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=C(Nc1cccs1)Nc1ccc(F)cc1F
O=C(Nc1cccs1)Nc1ccc(F)cc1F
1-(2,4-difluorophenyl)-3-(thiophen-2-yl)urea