You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
[6,7-dimethoxy-1-[[3-(trifluoromethyl)phenoxy]methyl]-3,4-dihydro-1H-isoquinolin-2-yl]-(4-ethoxyphenyl)methanone is the IUPAC name of a molecule. Please give its molecular formula.
user
C28H28F3NO5
assistant