CCOc1ccc(Nc2nc(Cc3nnc(SCC(=O)c4ccc(C)c(C)c4)o3)cs2)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?