CCN(Cc1ccccc1)S(=O)(=O)c1cc(C(=O)NC(C)C2CC3CCC2C3)ccc1OC
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?