[3aR-[1(2R*,3R*),3aα,6α,7aβ]]-3-pyrrolidine-carboxylic acid, 1-(phenylmethyl)-2-[(tetrahydro-8,8-dimethyl-3H-3a,6-methano-2,1-benzisothiazol-1(4H)-yl)-carbonyl]-methyl ester, S,S-dioxide