CN(C)c1ccc(NC(=O)Cn2nnc3sc4c(c3c2=O)CCC(C(C)(C)C)C4)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?