You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
For the molecule named 7-(diethylamino)-N-[2-[2-[2-[2-[2-[2-[2-[2-[2-(methylaminooxy)ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethyl]-2-oxochromene-3-carboxamide by IUPAC nomenclature, provide its molecular formula.
user
C33H55N3O12
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