CC(C)(C)NC(=O)C(c1ccco1)N(Cc1ccc2c(c1)OCO2)C(=O)c1snc(C(N)=O)c1N
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?