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 methyl (6aS,10aS)-9-chloro-7-methyl-4,6,6a,8,10,10a-hexahydroindolo[4,3-fg]quinoline-9-carboxylate is given. What is its corresponding molecular formula?
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C17H19ClN2O2
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