CC1(C)C(=O)CC[C@]2(C)C3C(=O)C=C4[C@H]5C[C@@](C)(C(=O)O)CC[C@]5(C)CC[C@]4(C)[C@]3(C)CC[C@@H]12
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?