CCOC(=O)C1=C(C)N=C(C)/C(=C(/O)OCC)C1C(=O)OCC(=O)N1c2ccccc2CC1C
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?