Task: Please determine if the compound with the SMILES CC(=O)C(Sc1ncnc2sc3c(c12)CCCC3)C(C)=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}
3-(5,6,7,8-tetrahydro-[1]benzothiolo[2,3-d]pyrimidin-4-ylsulfanyl)pentane-2,4-dione