COC(C/C=C\C=C\CC/C=C/CC(C)/C=C/C(=C\C(=O)O)CC(=O)O)/C(C)=C\C=C(/C)C(=O)O
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?