The chemical with the SMILES representation of O=CN1CCN(S(=O)(=O)c2ccc(Cl)c(C(=O)O)c2)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-chloro-5-(4-formylpiperazin-1-yl)sulfonylbenzoic acid