The chemical with the SMILES O=C1OCc2cc(NS(=O)(=O)c3cccs3)ccc21 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}.
N-(1-oxo-3H-2-benzofuran-5-yl)thiophene-2-sulfonamide