CCCCCCNC(=O)O[C@H]1Cn2c(=O)ccc(=O)n2[C@@H]2CN(S(=O)(=O)c3ccc(C)cc3)C[C@]12O
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?