Cc1ccc(-n2c(SCC(=O)N3Cc4ccccc4CC3C(=O)O)nnc2-c2cccnc2)c(C)c1
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?