You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Under IUPAC nomenclature, a molecule named [2-(4-fluoro-2-nitroanilino)-2-oxoethyl] 4-(4-methylpiperidin-1-yl)sulfonylbenzoate is given. What is its corresponding molecular formula?
user
C21H22FN3O7S
assistant