Photochemistry of Bichromophoric Molecules. Intramolecular Excited-State Interactions in the cis- and trans-Decalin-Connected Aryl Olefins: 7-Methylene-4bβ-methyl-4bβ,5,6,7,8,8aβ,9,10-octahydrophenanthrene and Its 8aα Isomer. Part 45