You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
N-[5-cyano-4-(2-methoxyethylamino)pyridin-2-yl]-6-[[2-(dimethylamino)ethyl-[hydroxy(methyl)amino]sulfanylamino]methyl]-7-formyl-3,4-dihydro-2H-1,8-naphthyridine-1-carboxamide is the IUPAC name of a molecule. Please give its molecular formula.
user
C25H35N9O4S
assistant