You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
[(1R)-2-[2-chloro-5-(trifluoromethyl)anilino]-2-oxo-1-phenylethyl]-[2-(3,4-dimethoxyphenyl)ethyl]azanium is the IUPAC name of a molecule. Please give its molecular formula.
user
C25H25ClF3N2O3+
assistant