Complex sentence: The solvated electron can react with dissolved oxygen to form a superoxide radical (O 2. -), which is a potent oxidant; also the solvated electron can react with nitrous oxide to form hydroxyl radicals (HO.).
Split into simpler sentences: The solvated electron reacts with oxygen to form a superoxide radical (O 2. -), which is a potent oxidant. With nitrous oxide, solvated electrons react to form hydroxyl radicals (HO.).