The chemical with the SMILES representation of CCCCOc1ccc(C(CC(=O)NC)C(=O)O)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}.
2-(4-butoxyphenyl)-4-(methylamino)-4-oxobutanoic acid