The chemical with the SMILES representation of O=C1NN(c2ccccc2)C(=O)/C1=C\c1cccn1-c1ccc(Cl)c([N+](=O)[O-])c1 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}.
O=C1NN(c2ccccc2)C(=O)/C1=C\c1cccn1-c1ccc(Cl)c([N+](=O)[O-])c1
O=C1NN(c2ccccc2)C(=O)/C1=C\c1cccn1-c1ccc(Cl)c([N+](=O)[O-])c1
(4Z)-4-[[1-(4-chloro-3-nitrophenyl)pyrrol-2-yl]methylidene]-1-phenylpyrazolidine-3,5-dione