The chemical with the SMILES CCCCNC(=O)C(=O)N/N=C/c1ccc(C(=O)OC)cc1 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}.
methyl 4-[(E)-[[2-(butylamino)-2-oxoacetyl]hydrazinylidene]methyl]benzoate