A student is willingly to design novel and more active fluoroquinolone type antibiotics. Accordingly; |- The esterification of position 3 carboxylic acid on the quinolone ring Il- The replacement of methyl group with the fluorine on the 6th position of the quinolone ring III- The annulation of position 8 carbon with the nitrogen on the 1st position of the quinoline with a spacer Are the strategies to be followed. Which one(s) of them can work? Select one: a.l and II b.All of them c.None of them d.Only II e.Only III