You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Under IUPAC nomenclature, a molecule named 4-[butyl(ethyl)sulfamoyl]-N-(pyridin-4-ylmethyl)-N-[4-(trifluoromethyl)-1,3-benzothiazol-2-yl]benzamide is given. What is its corresponding molecular formula?
user
C27H27F3N4O3S2
assistant