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What is the molecular formula of the molecule dimethyl (1R,13R)-3,3-dimethyl-16-oxo-14,15-diphenyl-3-silatetracyclo[11.2.1.02,12.04,9]hexadeca-4,6,8,10,14-pentaene-1,13-dicarboxylate ?
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C33H30O5Si
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