You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Provide the molecular formula for the IUPAC named substance 3-methyl-N-[(5-methylfuran-2-yl)methyl]-2-oxo-1H-pyrido[2,3-b][1,4]oxazine-7-carboxamide .
user
C15H15N3O4
assistant