You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
methyl 4-[1-benzofuran-5-ylmethyl-[3-chloro-5-(trifluoromethyl)pyridin-2-yl]sulfamoyl]benzoate The above is the IUPAC name of a molecule. Write its molecular formula.
user
C23H16ClF3N2O5S
assistant