CC(C)C(C)COC(=O)[C@@H]1C[C@@H]2c3cccc4c3c(cn4C(C)C)C[C@H]2N(C)C1.O=C(O)/C=C\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?