You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
For the molecule named 1-[(3-chlorophenyl)methyl]-N-[4-[(2,5-dimethoxyphenyl)sulfamoyl]phenyl]piperidine-4-carboxamide by IUPAC nomenclature, provide its molecular formula.
user
C27H30ClN3O5S
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