CC1(C)C2CC[C@]3(C)C(CC=C4[C@@H]5C[C@@](C)(CO)CC[C@]5(C(=O)O)CC[C@]43C)[C@@]2(C)CC[C@@H]1O
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?