You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name tert-butyl (2S)-2-[[2-(4-methoxyphenoxy)-4-pyridin-3-ylanilino]methyl]pyrrolidine-1-carboxylate;ethane into its molecular formula.
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C30H39N3O4
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