The chemical with the SMILES O=c1[nH]n(-c2ccc([N+](=O)[O-])cc2)c(=O)c2ccccc12 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=c1[nH]n(-c2ccc([N+](=O)[O-])cc2)c(=O)c2ccccc12
O=c1[nH]n(-c2ccc([N+](=O)[O-])cc2)c(=O)c2ccccc12
3-(4-nitrophenyl)-2H-phthalazine-1,4-dione