The chemical with the SMILES O=C(NCCNC1=NS(=O)(=O)c2ccccc21)c1ccco1 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-[2-[(1,1-dioxo-1,2-benzothiazol-3-yl)amino]ethyl]furan-2-carboxamide