You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
2-[[5-(benzenesulfonyl)-2-(4-methylphenyl)-1H-imidazol-4-yl]sulfanyl]-N-(3-chloro-4-methylphenyl)acetamide is the IUPAC name of a molecule. Please give its molecular formula.
user
C25H22ClN3O3S2
assistant