You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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Under IUPAC nomenclature, a molecule named [(2R)-1-[4-(difluoromethoxy)phenyl]-1-oxopropan-2-yl] 4-oxochromene-2-carboxylate is given. What is its corresponding molecular formula?
user
C20H14F2O6
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