CCOc1ccc(S(=O)(=O)N(CC(=O)N/N=C/c2ccc(-c3ccc([N+](=O)[O-])cc3)o2)c2ccccc2)cc1
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?