You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
For the molecule named ethyl 2-(4-fluorophenyl)-6-[2-hydroxyethyl(methylsulfonyl)amino]-5-phenyl-1-benzofuran-3-carboxylate by IUPAC nomenclature, provide its molecular formula.
user
C26H24FNO6S
assistant