The chemical with the SMILES O=C(NNC1CC(=O)N(c2ccc(Cl)cc2)C1=O)c1ccccn1 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=C(NNC1CC(=O)N(c2ccc(Cl)cc2)C1=O)c1ccccn1
O=C(NNC1CC(=O)N(c2ccc(Cl)cc2)C1=O)c1ccccn1
N'-[1-(4-chlorophenyl)-2,5-dioxopyrrolidin-3-yl]pyridine-2-carbohydrazide