Task: Please estimate if the compound with the SMILES S=c1nc(Cc2ccc(Cl)cc2)[nH]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}
S=c1nc(Cc2ccc(Cl)cc2)[nH]c2ccccc12
S=c1nc(Cc2ccc(Cl)cc2)[nH]c2ccccc12
2-[(4-chlorophenyl)methyl]-1H-quinazoline-4-thione