You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Convert the IUPAC name of a molecule N'-[5-bromo-2-methyl-6-(5-oxohexan-2-yloxy)pyridin-3-yl]-N-ethyl-N-methylmethanimidamide into molecular formula.
user
C16H24BrN3O2
assistant