here is what the Sync3 updater is putting out. Open 2 is different then the one you posted.
; CyanLabs Syn3Updater 2.x - Autoinstall Mode - Sync 3.4.20351 NA
[SYNCGen3.0_ALL_PRODUCT]
Item1 = APPS - 5U5T-14G381-EM_1611967752000.TAR.GZ
Open1 = SyncMyRide\5U5T-14G381-EM_1611967752000.TAR.GZ
Item2 = VOICE - 5U5T-14G391-BM_1598635668000.TAR.GZ
Open2 = SyncMyRide\5U5T-14G391-BM_1598635668000.TAR.GZ
Options = AutoInstall
[SYNCGen3.0_ALL]
Item1 = GRACENOTES - 4U5T-14G423-CB_1598636132000.TAR.GZ
Open1 = SyncMyRide\4U5T-14G423-CB_1598636132000.TAR.GZ
Options = Delay,Include,Transaction