The molecule with the SMILES CC(=O)c1cnc2cc(-c3cccc(Br)c3)nn2c1C 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-(3-bromophenyl)-7-methylpyrazolo[1,5-a]pyrimidin-6-yl]ethanone