You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
For the molecule named 4-(2-cyanoethylsulfamoyl)-N-(15-tetracyclo[6.6.2.02,7.09,14]hexadeca-2,4,6,9,11,13-hexaenylmethyl)benzamide by IUPAC nomenclature, provide its molecular formula.
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C27H25N3O3S
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