You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
N-(4,5-dimethyl-2-nitrophenyl)-2-[(2S)-2-(piperidine-1-carbonyl)-2,3-dihydro-1,4-benzoxazin-4-yl]acetamide is the IUPAC name of a molecule. Please give its molecular formula.
user
C24H28N4O5
assistant