You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
[5-(dimethylsulfamoyl)-1-propylbenzimidazol-2-yl]methyl 3-methylthiophene-2-carboxylate The above is the IUPAC name of a molecule. Write its molecular formula.
user
C19H23N3O4S2
assistant