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system
What is the molecular formula of the molecule (1S,2R,6R,7S,9S,12S,13S,14S,16S,17E,20S)-9,14-bis[[tert-butyl(dimethyl)silyl]oxy]-17-ethylidene-4,4,12,16-tetramethyl-3,5-dioxapentacyclo[11.7.0.02,6.07,12.016,20]icosan-18-one ?
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C36H64O5Si2
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