CCOC1=C2CN(S(=O)(=O)c3ccc(C)cc3)[C@H](c3ccccc3)C[C@@H]2N(S(C)(=O)=O)[C@H](c2ccccc2)C1
A rotatable bond is defined as any single non-ring bond, attached to a non-terminal, non-hydrogen atom. How many bonds in the molecule are rotatable?