CC1(C)CC(=O)C2=C(C1)c1c(ccc3ccccc13)NC2c1ccc(OCC(=O)O)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?