CCOc1ccc(OCC)c(NC(=O)C2CCN(S(=O)(=O)c3ccc4c(c3)CC(C)N4C(C)=O)CC2)c1
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?