Task: Please predict if the compound with the SMILES Cc1sc2nc(CSc3nc4ccccc4s3)[nH]c(=O)c2c1C 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-(1,3-benzothiazol-2-ylsulfanylmethyl)-5,6-dimethyl-3H-thieno[2,3-d]pyrimidin-4-one