CC(=O)O.COC(=O)C1C(O)C(C)C(O)C(C)(O)/C=C\C=C(C)C(=O)Nc2c(C)c(OC(C)=O)c3c(c2O)C(=O)C(C)=C2OCOC(=C23)C(C)=CC(C)(O)C(O)C(C)C1OC(C)=O
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?