You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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For the molecule named methyl 5-[(1S)-6-methoxy-1-(4-phenylmethoxyphenyl)-1,3,4,9-tetrahydropyrido[3,4-b]indol-2-yl]-5-oxopentanoate by IUPAC nomenclature, provide its molecular formula.
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C31H32N2O5
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