You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Under IUPAC nomenclature, a molecule named N-(2-ethoxy-5-piperidin-1-ylsulfonylphenyl)-2-[2-(2-methylphenyl)pyrrolidin-1-yl]acetamide is given. What is its corresponding molecular formula?
user
C26H35N3O4S
assistant