CCCCCC/C=C\CCCCCCCCCC1=C(CN(C)C)C(=O)C=C(OC)C1=O.Cl
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?