Task: Please determine if the molecule with the SMILES Cc1nc(C)c2c(=O)cc(-c3ccccc3)[nH]c2n1 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}
2,4-dimethyl-7-phenyl-8H-pyrido[2,3-d]pyrimidin-5-one