Cc1nc(/N=N\c2cc(S(=O)(=O)[O-])c3cc([N+](=O)[O-])cc(S(=O)(=O)[O-])c3c2)c(COP(=O)([O-])[O-])c(C=O)c1O.[Na+].[Na+].[Na+].[Na+]
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?