CCOC(=O)C1C(c2ccc(Cl)cc2)C(=C(O)OCC)C(=Nc2ccccc2)CC1(C)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?