You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
6-[[[1-[2-(3,7-difluoro-6-methoxyquinolin-4-yl)ethyl]-2-oxabicyclo[2.2.2]octan-4-yl]amino]methyl]-4H-pyrido[3,2-b][1,4]oxazin-3-one The above is the IUPAC name of a molecule. Write its molecular formula.
user
C27H28F2N4O4
assistant