You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
N-[(4-tert-butylphenyl)methyl]-5-chloro-N-[2-[2-fluoro-5-(trifluoromethyl)phenyl]ethyl]-1H-indole-7-carboxamide is the IUPAC name of a molecule. Please give its molecular formula.
user
C29H27ClF4N2O
assistant