C=C1C(=O)OC2/C=C(\COC(C)=O)CCC(OC(C)=O)C3=CC(OC3=O)C12
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?