You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name (3S)-2,2-dimethyl-7-[4-(4-nitrophenyl)piperazin-1-ium-1-yl]-3-phenylhept-5-yn-3-ol into its molecular formula.
user
C25H32N3O3+
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