C#C[C@]1(O)CC[C@H]2[C@@H]3CCC4=C/C(=N/OC(=O)c5cccc6c(=O)c7ccccc7[nH]c56)CC[C@@H]4[C@H]3CC[C@@]21C
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?