C=C1C(O)C2(O)OCC34C(CC5C(C)=CC(=O)C(O)C5(C)C23)OC(=O)C(OC(=O)C/C=C(\C)CCCCC)C14
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?