Task: Please estimate if the compound with the SMILES COc1c2occc2c(OC)c2c(=O)cc(C)oc12 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}
4,9-dimethoxy-7-methylfuro[3,2-g]chromen-5-one