COc1nc(N(C)C)nc(N2CC(=O)N(CCNS(=O)(=O)c3ccc(C)cc3)C2=N)n1
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?