CCOC(=O)c1cc2c(=Cc3ccc(N(C)C)cc3)c3ccccc3n2[n+]1C.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?