Cc1cc(C)cc(NC(=O)Nc2ccc3c(c2)CCc2sc4ncnc(N)c4c2-3)c1
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?