Name the molecular formula for the molecule established as (3aR,6R,7aR)-1-(7,8-dihydrofuro[3,2-e][1,3]benzothiazol-2-yl)-6-(hydroxymethyl)-3,3a,4,6,7,7a-hexahydropyrano[3,4-d]imidazol-2-one using the IUPAC nomenclature.