You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
For the molecule named [4,4,4',4'-tetramethyl-7'-[2-(oxiran-2-ylmethoxy)ethylperoxy]-2,2'-spirobi[3H-chromene]-7-yl] 2-(oxiran-2-ylmethoxy)acetate by IUPAC nomenclature, provide its molecular formula.
user
C31H38O10
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