Cc1cc(-n2c(SCC(=O)Nc3ccc(Br)cc3)nc3nnc(C)c-3c2N)ccc1Cl
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?