Under IUPAC nomenclature, a molecule named [(5S,8R,9S,12S,13R,14S,17R)-7-acetyloxy-12-hydroxy-10,13-dimethyl-17-[5-(oxetan-3-yl)pentan-2-yl]-2,3,4,5,6,7,8,9,11,12,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthren-3-yl] acetate is given. What is its corresponding molecular formula?