C#Cc1ccc([C@H]2C=C(C(=O)N3CCN(Cc4ccccc4)CC3)O[C@@H](OCc3ccc(CO)cc3)C2)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?