You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Under IUPAC nomenclature, a molecule named 1-[(3,4-dichlorophenyl)methylsulfonyl]-N-[4-[(4-ethoxyphenyl)sulfamoyl]phenyl]piperidine-3-carboxamide is given. What is its corresponding molecular formula?
user
C27H29Cl2N3O6S2
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