Task: Please determine if the compound with the SMILES CCSc1nnc(-c2ccc(Cl)cc2)c2ccccc12 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}
CCSc1nnc(-c2ccc(Cl)cc2)c2ccccc12
CCSc1nnc(-c2ccc(Cl)cc2)c2ccccc12
1-(4-chlorophenyl)-4-ethylsulfanylphthalazine