COc1ccc(C)cc1N1C(=O)C2ON(Cc3ccc(CC(N)=O)cc3)C(c3c4ccccc4c(Cl)c4ccccc34)C2C1=O
A rotatable bond is defined as any single non-ring bond, attached to a non-terminal, non-hydrogen atom. How many bonds in the molecule are rotatable?