You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
methyl 3-[[2-oxo-2-(2,3,4-trifluoroanilino)ethyl]sulfamoyl]thiophene-2-carboxylate is the IUPAC name of a molecule. Please give its molecular formula.
user
C14H11F3N2O5S2
assistant