You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Convert the IUPAC name of a molecule hydroxy-oxo-[[6-oxo-1-propyl-8-[1-[[3-(trifluoromethyl)phenyl]methyl]pyrazol-4-yl]purin-7-yl]methoxy]phosphanium into molecular formula.
user
C20H19F3N6O4P+
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