The boot option list is:
01. PciRoot(0x0)/Pci(0x1f,0x2)/Sata(0x0,0x0)/HD(2,GPT,337fbbc5-9ee8-429b-8c37-dfe52e004853,0x64028,0xece2340)/\System\Library\CoreServices\boot.efi "Sierra"
02. PciRoot(0x0)/Pci(0x1f,0x2)/Sata(0x1,0x0)/HD(3,GPT,ebb59c7b-8bce-4e79-bfb1-f66d0cc8d176,0xde5ec68,0x135f20)/\com.apple.recovery.boot\boot.efi "Recovery HD (10.12.1)"
03. PciRoot(0x0)/Pci(0x1f,0x2)/Sata(0x1,0x0)/HD(2,GPT,331797d7-b680-451c-af24-ffadb294dead,0x64028,0xddfac40)/\System\Library\CoreServices\boot.efi "BetaSierra"
04. PciRoot(0x0)/Pci(0x1f,0x2)/Sata(0x0,0x0)/HD(3,GPT,f0c10700-a0cb-4dbb-807f-b620ec35aa9d,0xed46368,0x135f20)/\com.apple.recovery.boot\boot.efi "Recovery HD (10.12.3)"
05. MemoryMapped(0xb,0xbe9db004,0xbf326003)/FvFile(c57ad6b7-0515-40a8-9d21-551652854e37) "Built-In EDK Shell" OPT
06. HD(1,GPT,17e51e78-a9fb-4fec-a3db-10779019480c,0x800,0x1eb000)/\EFI\BOOT\BOOTX64.EFI "CLOVER" OPT
07. BBS(HD,,0x0) "Hard Drive " OPT
08. PciRoot(0x0)/Pci(0x1f,0x2)/Sata(0x2,0x0)/HD(2,GPT,27029f0d-f6ed-4eb4-845f-77bf3622ce4e,0x64028,0xee12e10)/VenMedia(be74fcf7-0b7c-49f3-9147-01f4042e6842,9018417228c6f5318e473d93fd7c672d)/\System\Library\CoreServices\boot.efi "HS"