COC(/C(C)=C/C=C/C(C)=C/c1coc(C)n1)C(C)C1CC(O)C2(C)OC2C=CC(C)C2CC(CC(=O)O2)CC2OC2C(=O)O1
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?