maglev and metro line 2 to Astor House Hotel

Hello , we will be arriving at Pudong airport this Friday at 7.30pm We only have carry on. we are hoping to get Maglev and then metro line 2 to Nanjing road E. We will then have a 15 min walk to hotel. Which exit do we take once we are at Nanjing Road E ? Will it be too late ? Thank you