CC(=O)O[C@H]1CC[C@H]2[C@@H]3CCC4=C(C(=O)C=CC4(C)OC(C)=O)[C@H]3CC[C@]12C
A rotatable bond is defined as any single non-ring bond, attached to a non-terminal, non-hydrogen atom. How many bonds in the molecule are rotatable?