You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Under IUPAC nomenclature, a molecule named [5-(3-chloro-4-fluorophenyl)-2-(ethylsulfonylamino)-5-methyl-4-oxofuran-3-yl] acetate is given. What is its corresponding molecular formula?
user
C15H15ClFNO6S
assistant