C=C[C@]1(C)CC(=O)C(C(C)C=O)[C@]12C(=O)Oc1cccc(C)c1C2=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?