Task: Please predict if the molecule with the SMILES O=C(Nc1ccc2nc3ccccc3nc2c1)c1ccc(Br)cc1 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}
O=C(Nc1ccc2nc3ccccc3nc2c1)c1ccc(Br)cc1
O=C(Nc1ccc2nc3ccccc3nc2c1)c1ccc(Br)cc1
4-bromo-N-phenazin-2-ylbenzamide