BP Light 800 NHS ester

CC1 (C2=CC=CC=C2[N+] (=C1C=CC3=C (C (=CC=C4C (C5=CC=CC=C5N4CCCS (=O) (=O) [O-]) (C) CCCC (=O) ON6C (=O) CCC6=O) CCC3) OC7=CC=C (C=C7) S (=O) (=O) [O-]) CCCS (=O) (=O) [O-]) C.[Na+].[Na+]