You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Convert the IUPAC name of a molecule [2-[benzyl(methyl)amino]-2-oxoethyl]-methyl-[2-oxo-2-[4-(trifluoromethoxy)anilino]ethyl]azanium into molecular formula.
user
C20H23F3N3O3+
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