You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
For the molecule named (1R,2R,3S,4R)-N-(4-methoxypyridin-2-yl)-N-methyl-3-(trifluoromethyl)-7-oxabicyclo[2.2.1]heptane-2-carboxamide by IUPAC nomenclature, provide its molecular formula.
user
C15H17F3N2O3
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