CCOC(=O)c1c(S(=O)(=O)N2CCC(C(=O)Nc3cccc(C#N)c3)CC2)c(C)n(C)c1C
A rotatable bond is defined as any single non-ring bond, attached to a non-terminal, non-hydrogen atom. Amide C-N bonds are not counted because of their high barrier to rotation.  How many rotatable bonds does the molecule have?