C/C=C(\C)C(=O)O[C@H]1CC(C)=C2C(=O)C=C(C)C2[C@@H]2OC(=O)[C@@](C)(OC(=O)C=C(C)C)C12
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?