The chemical with the SMILES representation of O=C(O)CSCC(=O)NCc1ccc(Cl)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-[2-[(4-chlorophenyl)methylamino]-2-oxoethyl]sulfanylaceticacid