CCOC(=O)c1c(NC(=O)CN2C(=O)NC3(CCCCCC3)C2=O)sc(C)c1-c1ccc(C)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?