Task: Please estimate if the compound with the SMILES O=c1oc2ccccc2cc1-c1nc2c(s1)CCc1ccccc1-2 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}
3-(4,5-dihydrobenzo[e][1,3]benzothiazol-2-yl)chromen-2-one