Task: Please determine if the compound with the SMILES CCC(C)(C)N1CC(=O)N(Cc2ccccc2)C(c2ccc(OC)cc2)C1=O 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}
4-benzyl-3-(4-methoxyphenyl)-1-(2-methylbutan-2-yl)piperazine-2,5-dione