CCO[C@@H]1OC(C(=O)Nc2ccccc2)=C[C@H](C2CC2)[C@H]1CCCO
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?