You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
For the molecule named 2-[3-bromo-5-cyano-4-(methoxymethyl)-2-methyl-6-oxopyridin-1-yl]-N-[(E)-furan-2-ylmethylideneamino]acetamide by IUPAC nomenclature, provide its molecular formula.
user
C16H15BrN4O4
assistant