1-Pyrrolidinecarboxamide,N-(3-chloro-4-cyano-2-methylphenyl)-3-[[(1,1-dimethylethyl)dimethylsilyl]oxy]-2-[(1R)-2,2,2-trifluoro-1-[[(4-methylphenyl)sulfonyl]oxy]ethyl]-,(2S,3S)-