Cc1ccc(NC(=O)C2C(=O)N(c3ccc(C)c(C)c3)C(=O)/C2=N\NC(N)=O)cc1C
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?