CC(C)(C)[C@@H]1C=C(C(=O)N2CCN(Cc3ccccc3)CC2)O[C@H](OCc2ccc(CO)cc2)C1
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?