Task: Please determine if the molecule with the SMILES COc1nc(Cl)cn(-c2ccc(C)cc2)c1=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}
COc1nc(Cl)cn(-c2ccc(C)cc2)c1=O
COc1nc(Cl)cn(-c2ccc(C)cc2)c1=O
5-chloro-3-methoxy-1-(4-methylphenyl)pyrazin-2-one