Cc1ccc(CNC(=O)c2ccc(N3CCC4(CC3)CC(c3cccc(Br)c3)=NO4)c(NC(=O)c3ccco3)c2)cc1
A rotatable bond is defined as any single non-ring bond, attached to a non-terminal, non-hydrogen atom. Amide C-N bonds are not counted because of their high barrier to rotation.  How many rotatable bonds does the molecule have?