You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Convert the IUPAC name of a molecule [(2R)-butan-2-yl] (4R,7R)-7-(3,4-dimethoxyphenyl)-2-methyl-4-(3-methylphenyl)-5-oxo-4,6,7,8-tetrahydro-1H-quinoline-3-carboxylate into molecular formula.
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C30H35NO5
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