CCOc1cc(C2CC(c3ccc(NS(=O)(=O)c4cc([N+](=O)[O-])ccc4C)cc3)=NN2c2ccc([N+](=O)[O-])cc2[N+](=O)[O-])ccc1O
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?