Task: Please determine if the compound with the SMILES CSc1nc(Oc2ccc(Cl)cc2)c2sccc2n1 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-(4-chlorophenoxy)-2-methylsulfanylthieno[3,2-d]pyrimidine