COc1ccc(N(C(=O)Cn2nnc(-c3ccc(Cl)cc3)n2)C(C(=O)NCC2CCCO2)c2ccc(C)cc2)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?