Cc1cn(C2C=CC(COP(=O)(OCC3=CC(=O)c4ccccc4C3=O)N(C)CCCCCl)O2)c(=O)[nH]c1=O
A rotatable bond is defined as any single non-ring bond, attached to a non-terminal, non-hydrogen atom. How many bonds in the molecule are rotatable?