You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
3-[(3R)-3-(1H-benzimidazol-2-yl)piperidine-1-carbonyl]-N-(2-methoxyethyl)-4-methylbenzenesulfonamide is the IUPAC name of a molecule. Please give its molecular formula.
user
C23H28N4O4S
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