You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
For the molecule named (R)-[(2S,4S,5R)-5-ethenyl-1-azabicyclo[2.2.2]octan-2-yl]-[6-methoxy-2-[4-(trifluoromethyl)phenyl]quinolin-4-yl]methanol by IUPAC nomenclature, provide its molecular formula.
user
C27H27F3N2O2
assistant