Task: Please determine if the molecule with the SMILES O=C(c1cccs1)N1CCN(Cc2nc(=O)c3ccccc3[nH]2)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}
2-[(4-thiophen-2-ylcarbonylpiperazin-1-yl)methyl]-1H-quinazolin-4-one