You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Under IUPAC nomenclature, a molecule named N-(3-methoxyphenyl)-7-methylsulfonyl-6,8-dihydro-5H-2,7-naphthyridine-4-carboxamide is given. What is its corresponding molecular formula?
user
C17H19N3O4S
assistant