CC(=O)O[C@H]1CC[C@H]2[C@@H]3CCC4=C/C(=N/OCCN(C)C)CC[C@]4(C)[C@H]3CC[C@]12C.O=C(O)C(=O)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?