Cc1ccc(NC(=O)c2sc(-n3nc(C)c(Cc4ccc5c(c4)OCO5)c3C)nc2C)cc1Cl
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?