You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Under IUPAC nomenclature, a molecule named N-[1-[4-(difluoromethoxy)-3-ethoxyphenyl]-2-methylsulfanylethyl]-5-(2-fluorophenyl)-3-nitropyridin-2-amine is given. What is its corresponding molecular formula?
user
C23H22F3N3O4S
assistant