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system
Provide the molecular formula for the IUPAC named substance 1-O-tert-butyl 2-O-methyl (2R,5R)-2-[(S)-hydroxy-[(3S)-4-[(2-methylpropan-2-yl)oxycarbonyl]-1-oxa-4-azaspiro[4.5]decan-3-yl]methyl]-5-[(E)-3-methoxy-3-oxo-2-(2-trimethylsilylethoxycarbonylamino)prop-1-enyl]pyrrolidine-1,2-dicarboxylate .
user
C35H59N3O12Si
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