CCN(CC(=O)Nc1ccc(NC(C)=O)cc1)C(=O)Cc1coc2cc(C)c(C)cc12
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?