Cc1nnc(N2C(=O)C(O)=C(C(=O)c3ccc4c(c3)CC(C)O4)C2c2ccccc2)s1
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?