Cc1ccc(Cn2c(=O)n(CC3CCC(C(=O)N4CCOCC4)CC3)c(=O)c3sccc32)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?