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system
Please write the molecular formula of the molecule tert-butyl (1R,2R,7S,8R)-7-[(E)-2-[tert-butyl(dimethyl)silyl]oxyethenyl]-2-[[tert-butyl(dimethyl)silyl]oxymethyl]-6-[4-[(4-methoxyphenyl)methoxy]butyl]-5-oxo-6,11-diazatricyclo[5.4.0.04,8]undecane-11-carboxylate .
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C41H70N2O7Si2
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