I need help with this organic chem 2 question please

Question 2: Lyrica is a commonly prescribed pharmaceutical drug used to treat epilepsy,neuropathic pain, and fibromyalgia.OHH-NLyricaA senior project student is planning to synthesize a Lyrica analog for medicinal testingand designs the synthetic route shown below:OHCCH OHH-NHSNa) Much to the student’s surprise, the desired product is not produced via the reactionsequence described above. What went wrong? (2 points)b) Using Lyrica as a starting material, what reagent(s) could be used to successfullyprepare the desired ester analog shown above? (2 points)