You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
N-(2,3-dimethylcyclohexyl)-2-[2-[(2-fluorophenyl)methylidene]-3-oxo-1,4-benzoxazin-4-yl]acetamide is the IUPAC name of a molecule. Please give its molecular formula.
user
C25H27FN2O3
assistant