You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
For the molecule named 1-[6-(difluoromethoxy)-5-methylpyridin-3-yl]-3,6-dihydro-2H-pyrido[3,4-b][1,4]oxazin-7-one by IUPAC nomenclature, provide its molecular formula.
user
C14H13F2N3O3
assistant