C[C@@]12CCC(=O)C=C1CC[C@H]1[C@@H]2[C@@H](O)C[C@]2(C)[C@@H]1CC[C@@]2(O)C(=O)COC(=O)C1CCCC1
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?