COc1ccc(CN(C)C(=O)/C=C/[C@H]2O[C@@H](n3cc(C)c(=O)[nH]c3=O)C[C@@H]2O)cc1OC
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?