CCCC(=O)Nc1cc(/C=C/C(=O)N2C[C@H]3C[C@@]34C2=CC(=O)c2[nH]cc(C)c24)n(C)c1
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?