Cc1nc(/N=N/c2ccc(C(=O)[O-])cc2)c(COP(=O)([O-])[O-])c(C=O)c1O.[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?