CN1/C(=C\C=C\C2=[N+](C)c3ccc4ccccc4c3C2(C)C)C(C)(C)c2ccccc21.[O-][Cl+3]([O-])([O-])[O-]
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?