You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
For the molecule named N-benzyl-2-[(2S,3R,4S,5R)-3-[fluoro(dimethyl)silyl]-4-methyl-5-[2-[4-(2-oxopyrrolidin-1-yl)phenyl]ethyl]oxolan-2-yl]-N-(2-hydroxyethyl)acetamide by IUPAC nomenclature, provide its molecular formula.
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C30H41FN2O4Si
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