COC(=O)C1C(=O)C=CN([C@H](C)c2ccccc2)[C@@H]1Cc1ccc(OC)c(OCc2ccccc2)c1I
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?