Task: Please estimate if the compound with the SMILES CCc1c([O-])n(-c2ccc(Cl)cc2)c2ccc(-c3ccccc3)n[n+]2c1=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}
CCc1c([O-])n(-c2ccc(Cl)cc2)c2ccc(-c3ccccc3)n[n+]2c1=O
CCc1c([O-])n(-c2ccc(Cl)cc2)c2ccc(-c3ccccc3)n[n+]2c1=O
1-(4-chlorophenyl)-3-ethyl-4-oxo-7-phenylpyrimido[1,2-b]pyridazin-5-ium-2-olate