You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
N-(2-methoxyethyl)-N'-[[(2S)-1-(4-methoxyphenyl)sulfonylpyrrolidin-2-yl]methyl]oxamide is the IUPAC name of a molecule. Please give its molecular formula.
user
C17H25N3O6S
assistant