You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
For the molecule named N-[[1-ethyl-3-[3-(trifluoromethyl)phenyl]indol-5-yl]methyl]-1-naphthalen-1-ylethanamine by IUPAC nomenclature, provide its molecular formula.
user
C30H27F3N2
assistant