The chemical with the SMILES representation of O=C(/C=C/Nc1ccc(Br)cc1F)c1cccs1 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}.
(E)-3-(4-bromo-2-fluoroanilino)-1-thiophen-2-ylprop-2-en-1-one