COC(=O)C1=C(OC(=O)/C=C/c2ccc(Cl)cc2)C(C(=O)OC)[C@@]2(O)[C@@H](C(=O)OC)[C@H](C)C[C@@H]1[C@@H]2C(=O)OC
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?