You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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Under IUPAC nomenclature, a molecule named N-(4-phenoxyphenyl)-2-[4-[[3-(trifluoromethyl)phenyl]sulfamoyl]phenoxy]acetamide is given. What is its corresponding molecular formula?
user
C27H21F3N2O5S
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