C#CCN(C[C@@H]1[C@@H](OC(=O)NCc2ccco2)[C@@H](OC(=O)NCc2ccco2)Cn2c(=O)n(CCCCCC)c(=O)n21)S(=O)(=O)c1ccc(C)cc1
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?