COc1ccc(N2C(=O)/C(=C\NNS(=O)(=O)c3ccc(C)c([N+](=O)[O-])c3)c3ccccc3C2=O)cc1OC
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?