You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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Translate the chemical IUPAC name 8-[3-[1-(cyclopentanecarbonyl)-3-(3,4-dichlorophenyl)pyrrolidin-3-yl]propyl]-1-(3-methoxyphenyl)-1,3,8-triazaspiro[4.5]decan-4-one into its molecular formula.
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C33H42Cl2N4O3
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