C[n+]1c(-c2ccccc2)cc2/c(=C\c3ccc([N+](=O)[O-])cc3)c3ccccc3n21.O=S(=O)([O-])C(F)(F)F
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?