Methanone, [(3S,4R)-4-(phenylmethoxy)-1-(phenylmethyl)-3-pyrrolidinyl][(3aR,6S,7aS)-tetrahydro-8,8-dimethyl-2,2-dioxido-3H-3a,6-methano-2,1-benzisothiazol-1(4H)-yl]-