Task: Please determine if the molecule with the SMILES O=c1oc2ccccc2c(NC(c2ccccc2)c2ccccc2)c1[N+](=O)[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}
4-(benzhydrylamino)-3-nitrochromen-2-one