The chemical with the SMILES O=C(N/N=C/c1ccc(OC(=O)c2ccco2)cc1)c1ccccn1 is not an inhibitor of factor XIa (FXIa).
The {#molecule|compound|chemical|molecular species|chemical compound!} with the {SMILES__description} {#representation of |!}{SMILES#} is {MUV-846#not &NULL}{MUV-846__names__noun}.
[4-[(E)-(pyridine-2-carbonylhydrazinylidene)methyl]phenyl] furan-2-carboxylate