You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
1-[2,6-diethyl-3-hydroxyimino-2,5,6-trimethyl-1-(1-phenylethoxy)piperidin-4-yl]-2,2-dimethylpropan-1-one The above is the IUPAC name of a molecule. Write its molecular formula.
user
C25H40N2O3
assistant