Complex sentence: To save her, Rama-Kandra sells the deletion codes for the shell of the Oracle to the Merovingian at the Le Vrai restaurant, immediately before the "Nebuchadnezzar" 's crew arrives.
Split into simpler sentences: To save her, Rama-Kandra sells the deletion codes for the shell of the Oracle to the Merovingian. He does this at the Le Vrai restaurant, just before the "Nebuchadnezzar" 's crew arrives.