CC(C)Oc1ccc(-c2noc(-c3ccc(NC4CCC(C(=O)O)C4)cc3)n2)cc1Cl
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?