You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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Convert the IUPAC name of a molecule 5-chloro-3-[2-chloro-5-[(2-oxopiperidin-1-yl)methyl]phenyl]-1-[(2,4-dimethoxyphenyl)methyl]-3-methylindol-2-one into molecular formula.
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C30H30Cl2N2O4
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