You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Convert the IUPAC name of a molecule [9-methoxy-2-methyl-5-(methylamino)-8-(3-pyrrolidin-1-ylpropoxy)-3,4-dihydro-2H-benzo[h][1,6]naphthyridin-1-yl] formate into molecular formula.
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C23H32N4O4
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