The chemical with the SMILES O=C(N/N=C/c1ccc(Cl)c([N+](=O)[O-])c1)c1cnccn1 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}.
N-[(E)-(4-chloro-3-nitrophenyl)methylideneamino]pyrazine-2-carboxamide