You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name 7,8-dimethyl-4-[[4-[(3-methylphenyl)methyl]piperazine-1,4-diium-1-yl]methyl]chromen-2-one into its molecular formula.
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C24H30N2O2+2
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