The chemical compound with the SMILES O=C1CCCN1C(=O)CCC(=O)N1CCCC1=O 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}.
1-(2-oxopyrrolidin-1-yl)-4-(2-oxopyrrolidin-1-yl)butane-1,4-dione