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What is the molecular formula of the molecule identified by (2R)-3-methyl-2-[[(1S,2R,6S,8R,9S)-4,4,11,11-tetramethyl-3,5,7,10,12-pentaoxatricyclo[7.3.0.02,6]dodecane-8-carbonyl]amino]butanoate ?
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C17H26NO8-
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