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 N-[(1S,5S,6R,7S)-7-(methoxymethyl)-2-oxabicyclo[3.2.0]heptan-6-yl]-4-oxochromene-2-carboxamide is given. What is its corresponding molecular formula?
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C18H19NO5
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