C=C(C)C12CC(COC(=O)c3ccccc3)C34OC5(OC1C3C1OC1(CO)C(O)C1(O)C(OC(=O)c3ccccc3)C(C)C(C(C)CCCCCCC5O)C14)O2
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?