Cn1c(=O)c2c(SCC(=O)N3CCCc4ccccc43)nc(CC(C)(C)C)nc2n(C)c1=O
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?