You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
ethyl 2-(4-ethoxycarbonylphenyl)-1-(4-methylphenyl)sulfonyl-2,5-dihydropyrrole-3-carboxylate The above is the IUPAC name of a molecule. Write its molecular formula.
user
C23H25NO6S
assistant