You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
For the molecule named N-[1-(2-methoxyethyl)-2,3-dimethylindol-5-yl]-2-methyl-3-[4-(trifluoromethoxy)phenyl]benzamide by IUPAC nomenclature, provide its molecular formula.
user
C28H27F3N2O3
assistant