You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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Under IUPAC nomenclature, a molecule named [7-[4-[4-(1-benzothiophen-4-yl)piperazin-1-yl]butoxy]-4,4-dimethyl-2-oxo-3H-quinolin-1-yl]methyl 2,2-dimethylpropanoate is given. What is its corresponding molecular formula?
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C33H43N3O4S
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