Photoinduced Molecular Transformations. Part 160. Furan Anneration of 2-Hydroxynaphthoquinone Involving Photochemical Addition and Radical Fragmentation: Exclusion of the Intermediacy of [2+2] Cycloadduct in a One-Pot Formation of Furanoquinones by the Regioselective 3+2 Photoaddition of Hydroxyquin