You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name 2-chloro-N-[4-[(5-chloro-2-methylphenyl)sulfamoyl]phenyl]-5-(4-methylpiperidin-1-yl)sulfonylbenzamide into its molecular formula.
user
C26H27Cl2N3O5S2
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